12 Days of Christmas
85th
174th
2,191st
351st
668th
464th
183rd
227th
11th
35th
102nd
141st
147th
243rd
440th
225th
282nd
408th
222nd
24 Game
119th
99 Bottles of Beer
104th
273rd
496th
214th
330th
149th
333rd
174th
120th
313th
404th
540th
122nd
167th
70th
158th
242nd
234th
422nd
Abundant Numbers
103rd
893rd
500th
1,525th
2,208th
264th
854th
349th
1,154th
828th
276th
704th
1,266th
745th
179th
326th
50th
76th
901st
65th
1,105th
287th
11th
1,426th
904th
254th
635th
98th
1,673rd
853rd
416th
45th
608th
236th
301st
844th
208th
742nd
Abundant Numbers (Long)
65th
312th
395th
330th
712th
389th
56th
451st
734th
473rd
593rd
456th
39th
74th
48th
161st
350th
11th
114th
257th
1,006th
974th
69th
637th
808th
107th
94th
796th
335th
118th
150th
225th
269th
Arabic to Roman
119th
462nd
753rd
197th
38th
2nd
359th
95th
222nd
Arithmetic Numbers
57th
393rd
378th
150th
166th
388th
342nd
353rd
591st
629th
40th
165th
295th
496th
482nd
Arrows
24th
206th
307th
47th
247th
109th
127th
94th
79th
123rd
77th
145th
268th
11th
111th
156th
102nd
Ascending Primes
231st
556th
182nd
248th
61st
24th
261st
115th
ASCII Table
63rd
121st
250th
156th
202nd
181st
555th
82nd
72nd
74th
403rd
158th
142nd
198th
165th
374th
144th
228th
brainfuck
57th
114th
274th
71st
207th
180th
97th
108th
110th
137th
184th
34th
380th
177th
109th
21st
29th
171st
10th
129th
Catalan Numbers
1st
513th
324th
317th
436th
244th
302nd
529th
157th
201st
405th
21st
108th
885th
503rd
440th
446th
363rd
34th
232nd
92nd
397th
Catalan’s Constant
39th
180th
222nd
73rd
3rd
51st
135th
48th
98th
77th
Christmas Trees
595th
234th
558th
294th
112th
363rd
373rd
317th
1,725th
372nd
194th
180th
361st
946th
681st
69th
190th
44th
1,251st
253rd
Collatz
57th
731st
251st
533rd
244th
401st
451st
932nd
654th
450th
30th
219th
335th
9th
756th
390th
328th
582nd
738th
217th
432nd
4th
207th
1,038th
58th
442nd
257th
CSS Colors
484th
234th
17th
246th
1st
240th
42nd
268th
257th
Cubes
55th
500th
257th
221st
190th
Day of Week
500th
440th
174th
345th
258th
522nd
325th
320th
725th
1st
573rd
46th
287th
618th
218th
DFA Simulator
61st
74th
14th
67th
60th
126th
3rd
22nd
12th
106th
Diamonds
187th
102nd
320th
230th
99th
226th
157th
40th
349th
158th
217th
357th
170th
191st
65th
346th
599th
291st
224th
Divisors
382nd
1,989th
916th
1,708th
3,792nd
816th
386th
1,562nd
541st
961st
823rd
751st
2,072nd
970th
1,124th
522nd
409th
1,439th
1st
773rd
477th
285th
403rd
440th
818th
1,430th
377th
373rd
1,112th
22nd
299th
1,600th
339th
482nd
933rd
793rd
734th
Emirp Numbers
103rd
434th
795th
50th
284th
359th
303rd
155th
115th
396th
515th
799th
4th
341st
559th
659th
112th
259th
310th
511th
193rd
126th
135th
27th
485th
214th
Emirp Numbers (Long)
75th
149th
212th
47th
161st
4th
178th
283rd
90th
97th
106th
224th
43rd
67th
128th
Emojify
1st
58th
75th
45th
Evil Numbers
1,423rd
1,648th
765th
1,477th
754th
1,088th
381st
645th
587th
277th
805th
551st
1,810th
433rd
684th
1,361st
539th
1,451st
1,205th
1,971st
135th
502nd
347th
1st
906th
1,813th
702nd
1,063rd
998th
826th
1,571st
515th
36th
255th
1,583rd
1,052nd
1,195th
2,087th
1,235th
894th
904th
Evil Numbers (Long)
1,251st
599th
473rd
659th
179th
350th
194th
438th
951st
587th
270th
471st
864th
451st
798th
709th
60th
853rd
293rd
1st
397th
734th
602nd
788th
777th
461st
742nd
368th
88th
176th
1,237th
617th
684th
427th
404th
463rd
Factorial Factorisation
19th
58th
141st
81st
117th
55th
112th
134th
17th
169th
84th
86th
Farey Sequence
114th
141st
259th
50th
305th
169th
250th
171st
203rd
260th
67th
158th
7th
212th
255th
65th
261st
Fibonacci
139th
4,438th
2,692nd
1,512th
1,934th
4,993rd
519th
330th
764th
4,075th
2,128th
316th
1,659th
1,458th
1,705th
825th
1,527th
1,520th
2,847th
594th
1st
289th
2,409th
2,277th
1,697th
476th
145th
3,872nd
3,069th
2,039th
393rd
1,682nd
1,797th
2,240th
2,101st
280th
1,442nd
1,572nd
30th
246th
1,889th
258th
2,026th
1,640th
1,710th
805th
6,674th
1,537th
2,431stFizz Buzz
557th
559th
3,970th
2,978th
3,247th
2,141st
567th
2,318th
1,284th
1,724th
2,331st
2,723rd
3,235th
7,111th
3,696th
3,126th
3,886th
3,819th
1st
1,910th
5,656th
1,180th
1,758th
1,040th
105th
3,486th
1,463rd
994th
3,874th
4,088th
1,182nd
510th
4,112th
3,930th
47th
92nd
3,073rd
452nd
2,829th
2,137th
2,350th
2,800th
Foo Fizz Buzz Bar
350th
912th
526th
614th
251st
1,001st
1,315th
996th
637th
1,099th
523rd
1,000th
714th
331st
1,011th
1,063rd
365th
232nd
513th
869th
10th
163rd
768th
779th
636th
534th
Forsyth–Edwards Notation
32nd
92nd
122nd
106th
120th
62nd
113th
195th
53rd
125th
7th
151st
10th
78th
Fractions
264th
374th
422nd
451st
210th
410th
521st
460th
677th
799th
438th
356th
92nd
85th
478th
9th
252nd
Game of Life
186th
128th
37th
173rd
Gijswijt’s Sequence
56th
103rd
107th
104th
168th
49th
87th
49th
65th
84th
164th
119th
93rd
44th
12th
85th
92nd
127th
Happy Numbers
101st
1,258th
475th
729th
1,243rd
454th
364th
557th
130th
379th
271st
156th
513th
180th
741st
247th
260th
570th
1st
175th
250th
384th
639th
309th
228th
28th
68th
579th
69th
922nd
634th
564th
305th
Happy Numbers (Long)
86th
211th
257th
279th
75th
717th
284th
142nd
335th
128th
385th
114th
232nd
1st
137th
370th
256th
474th
186th
121st
83rd
564th
45th
195th
208th
Hexdump
129th
65th
139th
93rd
153rd
182nd
130th
150th
128th
2nd
131st
156th
105th
Intersection
142nd
161st
96th
124th
317th
142nd
76th
307th
138th
615th
18th
20th
40th
106th
Inventory Sequence
12th
142nd
292nd
145th
253rd
180th
327th
187th
266th
210th
183rd
438th
330th
174th
217th
335th
321st
252nd
60th
124th
222nd
259th
361st
ISBN
4th
690th
121st
469th
286th
272nd
242nd
335th
65th
245th
162nd
255th
330th
445th
283rd
18th
48th
314th
293rd
197th
307th
Jacobi Symbol
115th
250th
103rd
211th
49th
17th
130th
86th
223rd
336th
325th
121st
68th
149th
87th
70th
Kolakoski Constant
8th
114th
88th
192nd
111th
113th
55th
137th
138th
Kolakoski Sequence
17th
292nd
425th
810th
520th
397th
92nd
424th
311th
259th
287th
123rd
77th
70th
540th
176th
1st
281st
453rd
362nd
130th
265th
209th
217th
76th
343rd
67th
282nd
182nd
Leap Years
95th
997th
1,662nd
185th
1,893rd
550th
285th
319th
97th
390th
479th
256th
262nd
795th
1st
193rd
1,251st
484th
577th
31st
154th
398th
661st
1,656th
84th
327th
11th
380th
340th
78th
991st
1,050th
491st
1,065th
243rd
Levenshtein Distance
123rd
81st
162nd
111th
243rd
210th
190th
384th
65th
503rd
39th
360th
3rd
527th
Leyland Numbers
391st
591st
124th
595th
224th
191st
352nd
348th
17th
267th
167th
230th
559th
256th
20th
326th
369th
244th
ln 2
122nd
336th
98th
208th
193rd
167th
204th
215th
3rd
129th
21st
154th
80th
217th
Look and Say
116th
187th
417th
427th
286th
219th
180th
221st
468th
190th
167th
42nd
122nd
250th
195th
7th
254th
360th
109th
269th
36th
261st
188th
Lucky Numbers
57th
164th
100th
117th
80th
66th
180th
141st
137th
162nd
131st
187th
56th
143rd
216th
78th
109th
123rd
215th
258th
242nd
159th
16th
60th
181st
147th
219th
Lucky Tickets
130th
122nd
51st
162nd
159th
131st
108th
95th
175th
80th
9th
40th
66th
78th
Mahjong
8th
Maze
35th
Medal Tally
110th
139th
116th
78th
102nd
69th
88th
121st
158th
95th
21st
148th
159th
Morse Decoder
5th
279th
107th
113th
44th
43rd
213th
99th
121st
92nd
10th
28th
74th
Morse Encoder
23rd
443rd
155th
121st
72nd
124th
127th
44th
188th
Musical Chords
110th
N Queens
88th
6th
Niven Numbers
55th
1,474th
256th
835th
498th
1,794th
741st
286th
923rd
1,025th
345th
219th
871st
686th
644th
609th
1,005th
1,151st
861st
1st
266th
2,431st
936th
618th
521st
81st
234th
1st
314th
405th
956th
971st
172nd
567th
334th
726th
195th
66th
1,332nd
343rd
378th
479th
675th
587th
658th
1,111thNiven Numbers (Long)
583rd
1,171st
1,069th
402nd
441st
465th
175th
482nd
159th
64th
881st
326th
486th
274th
502nd
700th
462nd
12th
646th
312th
268th
361st
237th
135th
1st
507th
447th
548th
567th
832nd
380th
44th
34th
794th
75th
370th
393rd
300th
476th
887th
653rdNumber Spiral
214th
164th
314th
239th
18th
7th
428th
236th
24th
115th
Odious Numbers
1,802nd
256th
1,504th
491st
1,051st
233rd
591st
281st
211th
886th
517th
1,561st
371st
583rd
937th
998th
1,794th
103rd
411th
187th
1st
610th
311th
577th
827th
903rd
671st
1,634th
438th
34th
149th
1,789th
841st
922nd
1,909th
1,301st
1,034th
684th
Odious Numbers (Long)
1,226th
215th
443rd
583rd
197th
276th
156th
452nd
850th
225th
441st
732nd
398th
576th
631st
86th
869th
170th
1st
372nd
495th
615th
503rd
719th
851st
582nd
360th
32nd
119th
1,194th
558th
633rd
409th
681st
429th
Ordinal Numbers
85th
481st
1,035th
382nd
473rd
491st
668th
313th
299th
581st
862nd
316th
111th
401st
154th
617th
482nd
122nd
758th
449th
198th
86th
757th
191st
3rd
311th
624th
Pangram Grep
418th
1,163rd
1,322nd
136th
285th
805th
119th
374th
563rd
1st
440th
656th
737th
20th
474th
300th
623rd
425th
32nd
110th
186th
395th
655th
Pascal’s Triangle
138th
384th
1,647th
556th
438th
806th
768th
436th
568th
507th
1st
600th
332nd
209th
544th
423rd
349th
35th
70th
660th
94th
375th
659th
Pernicious Numbers
476th
477th
271st
645th
443rd
1,367th
210th
294th
457th
747th
331st
196th
674th
623rd
581st
581st
730th
828th
513th
1st
1,137th
833rd
72nd
558th
536th
115th
577th
17th
274th
393rd
718th
661st
175th
239th
96th
611th
24th
145th
1,000th
159th
364th
1,341st
628th
433rd
415th
493rd
813thPernicious Numbers (Long)
169th
339th
226th
218th
144th
59th
98th
470th
39th
515th
282nd
286th
345th
177th
9th
36th
703rd
72nd
434th
Poker
98th
Prime Numbers
258th
1,278th
1,155th
1,079th
2,020th
295th
676th
424th
1,353rd
1,132nd
613th
222nd
1,213th
1,700th
1,239th
266th
3,000th
1st
556th
127th
1st
282nd
468th
1,381st
249th
1,063rd
513th
91st
165th
961st
178th
828th
1,472nd
1,148th
866th
566th
Prime Numbers (Long)
249th
678th
682nd
745th
303rd
444th
636th
491st
120th
730th
844th
769th
648th
1st
483rd
700th
812th
1st
355th
430th
662nd
688th
419th
80th
157th
852nd
226th
316th
524th
391st
Proximity Grid
169th
QR Decoder
133rd
Quine
1st
1,533rd
216th
2,359th
2,638th
1,740th
3,381st
1,234th
3,276th
2,942nd
2,338th
1,391st
1,567th
2,386th
1,514th
3,315th
1,382nd
528th
2,105th
1,439th
2,881st
1,021st
1,625th
501st
1,618th
1,340th
192nd
1,182nd
1,042nd
1,104th
1,431st
1,595th
1,492nd
446th
2,437th
3,246th
1,551st
141st
491st
1,982nd
388th
1,285th
2,624th
1,467th
1,811th
1,458th
4,091st
2,026th
Recamán
42nd
186th
413th
196th
54th
253rd
150th
114th
251st
180th
149th
30th
84th
118th
132nd
349th
462nd
144th
239th
10th
40th
354th
29th
201st
123rd
Repeating Decimals
41st
105th
129th
59th
82nd
107th
75th
20th
1st
35th
104th
Reverse Polish Notation
114th
344th
373rd
319th
98th
174th
1st
340th
584th
113th
173rd
205th
151st
276th
53rd
288th
387th
187th
Rijndael S-box
109th
54th
118th
70th
137th
18th
116th
60th
Rock-paper-scissors-Spock-lizard
2nd
744th
46th
130th
111th
106th
48th
121st
93rd
24th
26th
166th
81st
Roman to Arabic
160th
780th
206th
9th
338th
438th
352nd
345th
302nd
24th
219th
49th
211th
Rule 110
81st
132nd
397th
112th
134th
119th
163rd
116th
176th
140th
386th
95th
45th
66th
10th
104th
Seven Segment
51st
194th
466th
119th
78th
195th
83rd
40th
61st
103rd
196th
291st
46th
35th
126th
Sierpiński Triangle
28th
319th
264th
246th
221st
149th
169th
404th
263rd
297th
180th
174th
224th
204th
20th
267th
Smith Numbers
27th
195th
142nd
118th
93rd
128th
252nd
6th
110th
66th
339th
95th
174th
38th
25th
105th
28th
82nd
Spelling Numbers
173rd
204th
182nd
190th
1st
110th
286th
247th
96th
70th
178th
Star Wars Opening Crawl
179th
46th
85th
Sudoku
94th
Sudoku v2
85th
Ten-pin Bowling
173rd
83rd
140th
161st
129th
64th
55th
94th
78th
62nd
9th
Time Distance
54th
336th
96th
100th
64th
111th
226th
69th
70th
4th
Tongue-twisters
541st
580th
343rd
184th
82nd
45th
206th
185th
91st
124th
United States
213th
255th
144th
85th
117th
180th
182nd
2nd
106th
68th
Vampire Numbers
330th
44th
76th
53rd
194th
86th
235th
229th
136th
80th
17th
123rd
134th
193rd
Van Eck Sequence
30th
190th
312th
134th
99th
244th
328th
203rd
142nd
242nd
1st
470th
210th
65th
201st
258th
365th
56th
73rd
144th
8th
81st
242nd
47th
198th
150th
Zodiac Signs
7th
133rd
221st
96th
53rd
123rd
117th
80th
57th
78th
γ
1st
λ
872nd
220th
14th
π
254th
344th
461st
269th
319th
203rd
246th
194th
419th
4th
226th
23rd
85th
137th
208th
245th
147th
116th
93rd
178th
264th
317th
205th
τ
216th
317th
434th
212th
294th
169th
234th
133rd
376th
4th
144th
25th
168th
218th
231st
97th
117th
75th
143rd
251st
290th
186th
φ
158th
362nd
579th
162nd
284th
240th
332nd
212th
192nd
126th
539th
356th
149th
432nd
243rd
309th
335th
12th
206th
29th
7th
654th
221st
291st
√2
162nd
389th
437th
173rd
302nd
288th
352nd
226th
204th
2nd
328th
116th
479th
297th
313th
347th
11th
212th
32nd
101st
857th
283rd
163rd
𝑒
258th
354th
967th
176th
242nd
370th
300th
385th
293rd
143rd
328th
15th
206th
221st
340th
406th
160th
212th
55th
116th
326th
119th
238th