12 Days of Christmas
164th
1,399th
613th
259th
99 Bottles of Beer
57th
40th
72nd
262nd
87th
42nd
11th
25th
41st
91st
203rd
Abundant Numbers
276th
1,142nd
565th
11th
273rd
250th
1,522nd
416th
114th
45th
236th
267th
222nd
Abundant Numbers (Long)
95th
56th
11th
405th
378th
182nd
66th
221st
335th
Arabic to Roman
38th
117th
2nd
60th
100th
125th
209th
270th
146th
Arithmetic Numbers
184th
62nd
132nd
31st
71st
240th
Arrows
296th
Ascending Primes
95th
235th
204th
234th
ASCII Table
140th
56th
💎
21st
35th
46th
15th
357th
brainfuck
102nd
98th
18th
31st
56th
Catalan Numbers
1st
635th
773rd
324th
262nd
108th
148th
411th
226th
144th
34th
92nd
Catalan’s Constant
3rd
227th
208th
Christmas Trees
112th
176th
141st
472nd
44th
Collatz
30th
326th
9th
256th
324th
540th
43rd
207th
155th
CSS Colors
54th
40th
180th
125th
98th
49th
86th
114th
Cubes
20th
Day of Week
198th
524th
275th
93rd
530th
320th
614th
158th
1st
163rd
287th
133rd
337th
218th
DFA Simulator
12th
Diamonds
40th
44th
98th
437th
Divisors
1,290th
399th
541st
559th
279th
285th
440th
601st
373rd
531st
22nd
466th
786th
339th
2,344th
1,297th
734th
Emirp Numbers
171st
190th
1,087th
50th
152nd
314th
176th
73rd
46th
410th
233rd
202nd
135th
27th
269th
344th
343rd
Emirp Numbers (Long)
21st
137th
315th
138th
67th
Emojify
38th
3rd
29th
204th
208th
Evil Numbers
2,346th
837th
3,345th
558th
459th
713th
277th
736th
525th
409th
678th
29th
421st
262nd
750th
1st
446th
723rd
338th
616th
857th
583rd
1,347th
36th
1,055th
757th
305th
396th
627th
746th
580th
894th
828th
899th
510th
Evil Numbers (Long)
235th
211th
194th
333rd
25th
710th
1st
380th
862nd
515th
32nd
84th
611th
Factorial Factorisation
139th
9th
Farey Sequence
111th
368th
50th
147th
98th
49th
201st
43rd
7th
65th
Fibonacci
139th
3,508th
735th
284th
1,920th
1,934th
265th
330th
764th
2,128th
316th
1,659th
1,458th
2,376th
1,434th
594th
1st
289th
476th
145th
360th
1,496th
393rd
694th
1,797th
1,673rd
278th
280th
272nd
1,572nd
30th
692nd
246th
258th
738th
5,809th
1,605th
1,640th
1,710th
805th
2,458th
1,749thFizz Buzz
4,421st
1,250th
560th
1,310th
3,247th
1,744th
1,284th
1,000th
3,968th
2,324th
4,706th
1st
1,041st
105th
2,304th
4,071st
1,463rd
1,306th
101st
511th
18th
47th
1,726th
92nd
452nd
3,074th
1,811th
3,115th
1,762nd
Foo Fizz Buzz Bar
293rd
912th
287th
251st
536th
5th
758th
796th
331st
173rd
232nd
194th
10th
322nd
163rd
373rd
777th
Forsyth–Edwards Notation
3rd
186th
34th
10th
46th
Fractions
201st
134th
210th
1st
113th
568th
239th
179th
74th
791st
139th
9th
252nd
Game of Life
117th
102nd
67th
9th
33rd
17th
Gijswijt’s Sequence
99th
47th
Happy Numbers
218th
198th
206th
391st
130th
150th
83rd
180th
242nd
1st
175th
94th
123rd
164th
28th
292nd
262nd
576th
69th
326th
351st
356th
650th
224th
Happy Numbers (Long)
146th
75th
31st
201st
1st
585th
58th
116th
43rd
138th
227th
45th
432nd
Hexdump
78th
💎
98th
43rd
72nd
15th
26th
Intersection
144th
42nd
229th
16th
Inventory Sequence
140th
97th
129th
53rd
30th
106th
18th
355th
ISBN
270th
21st
182nd
293rd
188th
Jacobi Symbol
17th
148th
Kolakoski Constant
41st
130th
Kolakoski Sequence
420th
92nd
100th
42nd
134th
53rd
265th
159th
67th
395th
344th
429th
Leap Years
997th
488th
1st
193rd
124th
1,091st
7th
897th
84th
502nd
1,462nd
527th
160th
78th
1,242nd
Levenshtein Distance
123rd
81st
199th
111th
246th
318th
65th
39th
172nd
💎
3rd
153rd
Leyland Numbers
124th
323rd
20th
393rd
ln 2
3rd
21st
80th
Look and Say
56th
66th
26th
270th
358th
7th
276th
325th
97th
261st
Lucky Numbers
66th
63rd
31st
99th
35th
61st
147th
Lucky Tickets
70th
174th
38th
115th
Maze
7th
10th
170th
8th
11th
Medal Tally
94th
148th
Morse Decoder
35th
19th
13th
Morse Encoder
89th
Niven Numbers
544th
952nd
181st
286th
511th
1,078th
345th
219th
871st
695th
751st
1st
521st
81st
234th
1st
314th
405th
172nd
248th
60th
195th
850th
66th
178th
378th
1,087th
992nd
479th
675th
1,541st
587th
658th
Niven Numbers (Long)
203rd
498th
209th
175th
293rd
159th
64th
577th
462nd
12th
361st
165th
1st
297th
447th
57th
168th
44th
216th
34th
75th
370th
644th
393rd
300th
476th
Number Spiral
59th
187th
74th
150th
99th
387th
41st
167th
112th
30th
449th
Odious Numbers
2,362nd
709th
233rd
510th
643rd
281st
211th
711th
496th
609th
620th
27th
356th
347th
458th
1st
419th
610th
311th
624th
654th
545th
1,634th
907th
34th
699th
633rd
145th
244th
553rd
547th
512th
849th
681st
483rd
Odious Numbers (Long)
889th
339th
276th
156th
297th
25th
648th
1st
315th
456th
430th
32nd
416th
114th
693rd
Ordinal Numbers
404th
284th
445th
135th
376th
40th
154th
122nd
153rd
198th
260th
86th
75th
98th
3rd
Pangram Grep
285th
1st
940th
197th
412th
194th
213th
476th
207th
48th
125th
299th
526th
Pascal’s Triangle
484th
617th
438th
1st
514th
121st
218th
129th
78th
196th
139th
94th
Pernicious Numbers
477th
803rd
443rd
210th
294th
457th
780th
331st
196th
674th
563rd
921st
513th
1st
1,192nd
536th
115th
259th
795th
274th
393rd
808th
175th
239th
96th
24th
699th
145th
159th
364th
838th
656th
628th
433rd
1,031st
415th
493rd
Pernicious Numbers (Long)
144th
144th
220th
280th
462nd
444th
245th
75th
120th
Poker
24th
Prime Numbers
978th
1,431st
693rd
2,685th
438th
806th
424th
1,353rd
804th
222nd
519th
266th
1st
127th
1,027th
1st
282nd
468th
249th
399th
242nd
774th
91st
415th
165th
178th
656th
545th
1,017th
1,608th
534th
566th
Prime Numbers (Long)
481st
437th
454th
303rd
444th
120th
365th
1st
140th
812th
1st
355th
301st
80th
290th
579th
226th
391st
Proximity Grid
28th
18th
45th
44th
42nd
6th
Quine
1st
1,533rd
216th
2,373rd
1,740th
3,351st
1,234th
2,605th
2,418th
1,390th
1,391st
1,567th
2,178th
1,514th
1,396th
2,572nd
528th
2,105th
1,709th
129th
1,021st
1,763rd
501st
2,156th
1,340th
192nd
1,182nd
1,042nd
1,104th
2,590th
1,492nd
446th
1,232nd
520th
1,551st
141st
2,481st
491st
388th
1,285th
2,280th
1,467th
2,813th
1,458th
1,395th
122nd
2,808th
Recamán
178th
203rd
196th
279th
195th
10th
91st
108th
Repeating Decimals
41st
13th
85th
20th
1st
16th
Reverse Polish Notation
167th
98th
1st
125th
77th
217th
63rd
Rijndael S-box
138th
51st
74th
Roman to Arabic
238th
137th
9th
5th
163rd
72nd
180th
24th
167th
49th
607th
Rule 110
68th
8th
103rd
45th
10th
104th
Seven Segment
30th
SI Units
58th
82nd
Sierpiński Triangle
326th
298th
14th
304th
158th
203rd
291st
Spelling Numbers
1st
121st
194th
Sudoku
124th
Sudoku v2
25th
131st
41st
43rd
19th
Time Distance
49th
36th
3rd
11th
Tongue-twisters
27th
1,371st
87th
108th
76th
84th
119th
18th
59th
99th
63rd
46th
50th
13th
58th
195th
56th
United States
110th
129th
30th
154th
2nd
68th
132nd
Vampire Numbers
176th
Van Eck Sequence
164th
472nd
354th
373rd
Zodiac Signs
6th
γ
77th
1st
230th
λ
1,037th
25th
19th
4th
6th
91st
158th
49th
22nd
8th
69th
π
23rd
1st
123rd
181st
334th
τ
25th
1st
356th
806th
φ
792nd
162nd
212th
77th
12th
308th
29th
316th
62nd
962nd
√2
173rd
233rd
116th
11th
32nd
108th
𝑒
671st
176th
15th
12th
229th
55th
643rd
119th