12 Days of Christmas
19th
337th
397th
151st
24 Game
17th
13th
92nd
98th
151st
25th
34th
7th
77th
99 Bottles of Beer
134th
79th
66th
185th
188th
Abundant Numbers
448th
1,405th
556th
706th
617th
1,124th
596th
276th
955th
745th
1,242nd
546th
326th
739th
1st
76th
1,105th
287th
31st
11th
1,548th
1,034th
545th
437th
1,673rd
416th
336th
126th
608th
236th
301st
844th
676th
742nd
Abundant Numbers (Long)
765th
267th
770th
200th
740th
260th
95th
56th
238th
473rd
468th
674th
456th
479th
1st
74th
161st
318th
350th
30th
11th
924th
179th
379th
728th
661st
586th
637th
808th
182nd
463rd
221st
335th
118th
150th
803rd
269th
Arabic to Roman
83rd
206th
191st
157th
38th
121st
173rd
2nd
283rd
190th
165th
111th
407th
132nd
219th
209th
161st
146th
Arithmetic Numbers
378th
118th
291st
62nd
298th
128th
150th
223rd
132nd
195th
375th
71st
236th
496th
322nd
Arrows
100th
187th
176th
103rd
131st
90th
167th
83rd
123rd
37th
65th
181st
Ascending Primes
65th
73rd
108th
111th
129th
42nd
138th
121st
130th
164th
148th
109th
34th
7th
113th
12th
171st
ASCII Table
169th
66th
204th
114th
25th
136th
86th
77th
97th
246th
175th
149th
158th
2nd
223rd
36th
brainfuck
144th
78th
202nd
223rd
35th
165th
Catalan Numbers
287th
421st
370th
173rd
262nd
436th
521st
391st
304th
10th
201st
159th
336th
108th
148th
275th
319th
363rd
34th
591st
449th
92nd
397th
Catalan’s Constant
196th
87th
104th
3rd
116th
160th
493rd
Christmas Trees
300th
322nd
112th
521st
281st
8th
136th
254th
62nd
311th
18th
477th
60th
261st
44th
260th
Collatz
429th
971st
539th
249th
749th
528th
148th
402nd
348th
777th
809th
30th
219th
336th
9th
666th
927th
348th
315th
1,013th
578th
549th
43rd
309th
207th
1,034th
299th
590th
1,121st
1,163rd
CSS Colors
234th
165th
150th
188th
170th
17th
99th
167th
1st
23rd
182nd
72nd
139th
114th
274th
345th
Cubes
160th
70th
6th
76th
198th
Day of Week
198th
444th
173rd
411th
174th
456th
451st
370th
345th
413th
258th
265th
581st
458th
230th
93rd
496th
325th
245th
489th
414th
357th
1st
573rd
46th
163rd
287th
133rd
535th
218th
DFA Simulator
15th
23rd
32nd
76th
Diamonds
245th
199th
189th
208th
71st
267th
122nd
141st
143rd
213th
17th
107th
91st
146th
344th
126th
134th
65th
145th
258th
212th
Divisors
1,290th
2,119th
916th
741st
999th
386th
1,302nd
953rd
541st
559th
781st
751st
760th
2,415th
970th
981st
409th
2,312th
770th
477th
285th
1,614th
403rd
440th
818th
1,431st
1,369th
601st
1,548th
1,442nd
22nd
466th
299th
2,276th
339th
482nd
933rd
1,364th
945th
Emirp Numbers
91st
250th
284th
325th
229th
155th
220th
115th
358th
144th
76th
159th
63rd
193rd
82nd
202nd
48th
27th
200th
269th
334th
604th
Emirp Numbers (Long)
308th
277th
260th
103rd
200th
100th
270th
235th
172nd
229th
238th
298th
315th
192nd
390th
146th
43rd
67th
Evil Numbers
1,664th
934th
1,477th
754th
381st
326th
494th
680th
645th
587th
277th
805th
525th
551st
890th
433rd
1,654th
415th
741st
135th
502nd
334th
262nd
750th
1st
446th
723rd
338th
702nd
616th
857th
583rd
1,347th
515th
36th
1,055th
887th
1,754th
305th
396th
627th
2,040th
320th
894th
965th
708th
510th
922ndEvil Numbers (Long)
921st
624th
579th
329th
179th
204th
229th
413th
1,155th
211th
194th
475th
333rd
630th
534th
270th
655th
324th
60th
433rd
283rd
76th
710th
1st
380th
397th
602nd
788th
482nd
515th
368th
32nd
986th
913th
617th
288th
404th
363rd
588thFactorial Factorisation
71st
140th
78th
122nd
163rd
83rd
23rd
6th
103rd
9th
Farey Sequence
226th
101st
289th
86th
124th
136th
50th
149th
116th
199th
112th
161st
27th
133rd
193rd
107th
7th
137th
Fibonacci
3,425th
2,816th
1,758th
2,693rd
1,920th
1,537th
519th
330th
764th
1,703rd
2,380th
2,128th
316th
1,659th
1,458th
1,705th
2,376th
1,527th
1,520th
3,201st
594th
1st
289th
1,698th
476th
145th
360th
1,496th
393rd
1,683rd
1,797th
2,244th
1,561st
882nd
1,442nd
1,572nd
30th
2,933rd
246th
1,889th
839th
738th
2,028th
1,640th
1,710th
3,986th
805th
3,444th
2,431stFizz Buzz
4,421st
1,250th
1,954th
1,310th
8,915th
1,744th
568th
1,167th
1,908th
1,284th
3,399th
2,331st
2,324th
2,803rd
3,031st
3,857th
3,126th
4,347th
1,013th
1,910th
6,165th
4,927th
1,758th
1,041st
105th
2,304th
4,071st
1,463rd
995th
3,662nd
2,824th
1,816th
511th
4,667th
47th
1,726th
92nd
4,094th
452nd
2,452nd
3,540th
1,159th
2,350th
2,662nd
1,762nd
Foo Fizz Buzz Bar
293rd
436th
395th
457th
251st
401st
469th
352nd
684th
714th
1,381st
5th
300th
316th
353rd
408th
544th
897th
382nd
853rd
305th
232nd
1,197th
10th
322nd
163rd
1,085th
446th
379th
1,017th
Forsyth–Edwards Notation
190th
196th
121st
97th
96th
91st
155th
104th
44th
146th
138th
53rd
94th
85th
148th
232nd
Fractions
201st
192nd
187th
265th
422nd
413th
666th
194th
260th
427th
441st
124th
799th
631st
92nd
229th
9th
Game of Life
68th
143rd
149th
115th
124th
91st
72nd
206th
131st
47th
145th
170th
190th
34th
132nd
247th
92nd
224th
80th
121st
93rd
37th
136th
189th
88th
Gijswijt’s Sequence
65th
Happy Numbers
198th
446th
311th
284th
547th
334th
364th
140th
130th
341st
271st
296th
156th
265th
180th
257th
207th
61st
102nd
1st
478th
603rd
384th
639th
309th
164th
231st
28th
292nd
69th
278th
623rd
564th
853rd
Happy Numbers (Long)
97th
221st
302nd
104th
261st
279th
75th
362nd
189th
327th
312th
408th
163rd
31st
128th
270th
150th
51st
65th
1st
321st
557th
363rd
474th
260th
155th
431st
317th
575th
382nd
271st
432nd
Hexdump
60th
141st
541st
2nd
Intersection
128th
144th
153rd
156th
201st
91st
63rd
209th
33rd
116th
138th
42nd
89th
123rd
Inventory Sequence
208th
152nd
241st
97th
212th
129th
193rd
82nd
205th
235th
389th
340th
258th
261st
165th
434th
196th
116th
222nd
267th
255th
335th
200th
60th
334th
124th
312th
186th
ISBN
83rd
206th
337th
202nd
323rd
141st
591st
154th
205th
98th
24th
78th
163rd
341st
111th
372nd
305th
147th
182nd
48th
357th
Jacobi Symbol
17th
Kolakoski Constant
123rd
142nd
91st
85th
180th
229th
Kolakoski Sequence
205th
158th
347th
165th
296th
356th
92nd
211th
294th
349th
428th
662nd
190th
77th
23rd
171st
100th
113th
1st
134th
304th
130th
265th
159th
582nd
67th
498th
488th
Leap Years
767th
998th
184th
553rd
306th
290th
896th
2,422nd
319th
97th
392nd
285th
258th
585th
262nd
603rd
193rd
550th
275th
31st
109th
1,441st
400th
661st
1,453rd
1,666th
686th
327th
340th
773rd
608th
491st
1,561st
481st
489th
1,504th
732nd
245th
Levenshtein Distance
123rd
81st
162nd
259th
111th
215th
222nd
169th
246th
341st
65th
39th
172nd
3rd
153rd
Leyland Numbers
124th
387th
254th
287th
348th
205th
188th
521st
20th
369th
360th
ln 2
98th
228th
135th
192nd
60th
3rd
21st
80th
Look and Say
177th
372nd
56th
233rd
160th
227th
258th
144th
197th
7th
325th
113th
109th
97th
Lucky Numbers
104th
206th
237th
230th
257th
128th
35th
227th
Lucky Tickets
142nd
135th
129th
231st
Mahjong
56th
54th
Maze
136th
Medal Tally
97th
31st
92nd
130th
71st
Morse Decoder
124th
30th
55th
65th
112th
50th
Morse Encoder
52nd
40th
61st
76th
48th
50th
94th
58th
9th
103rd
14th
70th
N Queens
54th
32nd
36th
85th
22nd
42nd
Niven Numbers
1,962nd
2,010th
893rd
835th
498th
181st
286th
511th
896th
1,025th
345th
219th
871st
695th
686th
644th
609th
1,005th
1,151st
751st
1st
266th
618th
521st
81st
234th
1,114th
1,433rd
314th
405th
956th
971st
172nd
567th
60th
726th
30th
850th
66th
1,961st
818th
378th
1,226th
1,813th
479th
675th
1,827th
587th
658th
1,065thNiven Numbers (Long)
351st
441st
209th
175th
293rd
469th
760th
232nd
64th
457th
577th
473rd
486th
274th
502nd
700th
337th
12th
221st
268th
361st
108th
135th
542nd
781st
507th
447th
548th
567th
57th
589th
380th
122nd
639th
34th
989th
75th
620th
393rd
300th
888th
616thNumber Spiral
50th
36th
88th
195th
68th
86th
52nd
77th
156th
73rd
133rd
122nd
222nd
Odious Numbers
1,716th
975th
1,504th
491st
177th
222nd
399th
572nd
591st
281st
211th
839th
496th
517th
742nd
371st
1,620th
336th
692nd
103rd
411th
273rd
134th
458th
1st
419th
610th
311th
577th
539th
1,042nd
718th
1,634th
438th
34th
1,047th
633rd
1,860th
262nd
244th
553rd
1,822nd
304th
1,034th
680th
404th
483rd
734thOdious Numbers (Long)
979th
964th
481st
259th
149th
188th
205th
389th
994th
276th
156th
452nd
297th
565th
551st
225th
571st
333rd
86th
406th
271st
105th
648th
1st
315th
372nd
615th
503rd
508th
784th
360th
32nd
974th
842nd
558th
241st
681st
329th
486thOrdinal Numbers
404th
340th
342nd
670th
293rd
382nd
135th
318th
474th
539th
376th
409th
426th
40th
188th
154th
503rd
122nd
417th
198th
260th
86th
75th
98th
3rd
278th
Pangram Grep
475th
398th
386th
285th
701st
119th
377th
419th
1st
142nd
737th
77th
104th
72nd
407th
178th
694th
624th
698th
213th
476th
110th
186th
Pascal’s Triangle
345th
639th
382nd
146th
488th
611th
362nd
497th
463rd
343rd
412th
1st
398th
491st
366th
1st
209th
530th
352nd
455th
626th
35th
196th
70th
660th
94th
718th
Pernicious Numbers
477th
965th
645th
443rd
210th
294th
457th
805th
747th
331st
196th
674th
563rd
623rd
581st
581st
730th
828th
513th
1st
1,177th
72nd
706th
536th
115th
259th
316th
896th
274th
393rd
718th
661st
175th
239th
96th
611th
24th
699th
145th
1,043rd
159th
364th
838th
331st
433rd
1,146th
415th
493rd
738thPernicious Numbers (Long)
556th
642nd
548th
589th
518th
133rd
330th
303rd
607th
84th
59th
320th
467th
395th
419th
98th
470th
300th
405th
81st
442nd
39th
515th
205th
462nd
163rd
58th
397th
616th
227th
558th
317th
444th
348th
34th
241st
9th
322nd
412th
120th
183rd
152nd
202nd
283rdPrime Numbers
1,077th
693rd
878th
1,138th
700th
676th
424th
804th
613th
763rd
222nd
404th
266th
1st
556th
357th
127th
1,536th
1st
282nd
1,381st
249th
513th
91st
1,404th
165th
1,075th
178th
656th
1,472nd
1,144th
1,416th
534th
566th
Prime Numbers (Long)
888th
437th
745th
498th
594th
519th
881st
303rd
444th
609th
667th
474th
120th
730th
508th
648th
1st
483rd
536th
140th
812th
1st
355th
430th
662nd
80th
1,379th
579th
226th
316th
668th
930th
391st
Proximity Grid
99th
54th
55th
78th
106th
72nd
122nd
80th
87th
61st
62nd
70th
151st
36th
63rd
9th
Quine
1st
1,533rd
216th
2,796th
2,337th
1,740th
3,292nd
1,234th
3,276th
4,020th
2,338th
2,522nd
1,567th
2,368th
1,514th
2,229th
2,572nd
528th
2,105th
1,709th
129th
1,021st
1,732nd
501st
1,618th
1,340th
192nd
1,182nd
1st
1,042nd
1,104th
1,431st
1,595th
1,492nd
446th
2,437th
3,246th
1,551st
141st
3,774th
491st
1,982nd
388th
1,285th
2,624th
1,467th
2,687th
1,458th
4,091st
1,721stRecamán
221st
264th
196th
217th
307th
254th
400th
55th
396th
118th
255th
10th
373rd
323rd
Repeating Decimals
41st
56th
20th
1st
16th
Reverse Polish Notation
237th
218th
137th
768th
238th
98th
232nd
1st
134th
76th
138th
219th
151st
58th
461st
187th
Rijndael S-box
135th
39th
21st
130th
61st
138th
123rd
56th
128th
119th
88th
74th
Rock-paper-scissors-Spock-lizard
112th
240th
210th
Roman to Arabic
202nd
242nd
186th
114th
170th
261st
285th
9th
222nd
292nd
241st
195th
210th
163rd
274th
121st
72nd
252nd
24th
49th
262nd
Rule 110
72nd
40th
295th
53rd
206th
96th
272nd
21st
10th
104th
Seven Segment
1,117th
106th
287th
135th
78th
102nd
96th
273rd
137th
174th
129th
230th
80th
142nd
117th
145th
200th
SI Units
93rd
Sierpiński Triangle
70th
57th
89th
153rd
82nd
151st
246th
104th
170th
146th
190th
160th
141st
5th
238th
14th
36th
78th
99th
137th
280th
202nd
147th
Smith Numbers
53rd
168th
91st
73rd
133rd
Spelling Numbers
65th
1st
Sudoku
43rd
67th
51st
63rd
Sudoku v2
76th
94th
16th
73rd
29th
88th
23rd
Ten-pin Bowling
92nd
108th
113th
Time Distance
54th
79th
Tongue-twisters
148th
61st
247th
United States
248th
218th
123rd
244th
110th
200th
107th
53rd
34th
172nd
272nd
222nd
225th
154th
2nd
68th
132nd
Van Eck Sequence
235th
225th
91st
328th
32nd
201st
365th
8th
343rd
Zodiac Signs
106th
32nd
213th
155th
56th
239th
127th
138th
22nd
67th
78th
γ
115th
122nd
130th
1st
103rd
125th
108th
λ
101st
54th
93rd
139th
π
212th
269th
329th
378th
249th
226th
23rd
85th
147th
125th
τ
205th
212th
282nd
318th
144th
25th
136th
97th
122nd
φ
281st
251st
162nd
297th
376th
321st
192nd
126th
111th
77th
230th
486th
12th
340th
29th
316th
62nd
√2
249th
173rd
317th
416th
233rd
204th
256th
149th
116th
11th
442nd
32nd
108th
𝑒
256th
176th
299th
339th
320th
143rd
125th
15th
160th
55th
119th