12 Days of Christmas
57th
395th
81st
913th
162nd
252nd
56th
196th
186th
412th
216th
23rd
72nd
68th
86th
1st
360th
60th
205th
12th
139th
17th
42nd
50th
46th
140th
125th
79th
155th
99 Bottles of Beer
57th
34th
97th
448th
31st
33rd
103rd
266th
239th
251st
115th
353rd
175th
76th
2nd
133rd
51st
6th
61st
147th
83rd
150th
11th
25th
16th
71st
17th
56th
503rd
130th
152nd
27th
221st
Abundant Numbers
333rd
159th
384th
497th
2,926th
463rd
700th
404th
884th
281st
1,014th
548th
175th
678th
1st
76th
25th
1,112th
443rd
183rd
1,095th
54th
440th
1,420th
949th
544th
209th
98th
744th
414th
45th
236th
340th
1,490th
836th
1,478th
2,320th
1,552nd
Abundant Numbers (Long)
492nd
202nd
617th
306th
619th
735th
629th
56th
257th
705th
234th
472nd
1st
74th
11th
161st
64th
1,050th
43rd
245th
114th
254th
232nd
70th
129th
221st
329th
174th
150th
376th
638th
954th
Arabic to Roman
125th
176th
151st
298th
309th
244th
112th
192nd
38th
180th
132nd
37th
274th
255th
52nd
2nd
134th
143rd
163rd
73rd
404th
78th
102nd
79th
70th
179th
216th
172nd
Arithmetic Numbers
113th
676th
486th
261st
569th
33rd
296th
125th
207th
102nd
Arrows
72nd
92nd
238th
75th
209th
181st
185th
132nd
7th
172nd
77th
82nd
140th
154th
174th
21st
58th
54th
274th
112th
94th
Ascending Primes
23rd
ASCII Table
126th
305th
136th
183rd
100th
78th
11th
80th
146th
106th
294th
97th
337th
237th
brainfuck
412th
175th
253rd
💎
145th
116th
205th
117th
11th
153rd
72nd
35th
19th
133rd
Catalan Numbers
1st
463rd
613th
285th
458th
257th
302nd
237th
462nd
10th
327th
21st
488th
332nd
108th
378th
292nd
501st
225th
320th
360th
34th
231st
92nd
834th
Catalan’s Constant
81st
83rd
94th
67th
93rd
84th
139th
114th
78th
65th
109th
96th
💎
62nd
208th
112th
85th
58th
3rd
79th
82nd
106th
108th
54th
74th
53rd
200th
42nd
48th
40th
91st
95th
178th
102nd
Christmas Trees
527th
1,140th
236th
1,066th
657th
389th
372nd
111th
200th
360th
339th
343rd
1st
551st
231st
277th
60th
152nd
186th
192nd
180th
404th
62nd
234th
16th
31st
22nd
44th
239th
253rd
1,063rd
346th
1,293rd
Collatz
179th
576th
722nd
811th
157th
1,138th
761st
29th
331st
9th
524th
141st
312th
86th
62nd
295th
CSS Colors
216th
199th
16th
286th
94th
313th
292nd
341st
185th
22nd
73rd
127th
114th
177th
Cubes
67th
88th
385th
147th
10th
160th
265th
143rd
Day of Week
196th
386th
142nd
568th
250th
467th
463rd
508th
379th
157th
1st
282nd
683rd
Diamonds
281st
204th
101st
1,526th
210th
242nd
222nd
186th
173rd
179th
182nd
118th
408th
1st
146th
197th
194th
80th
121st
176th
307th
238th
42nd
149th
226th
135th
65th
374th
133rd
155th
178th
495th
106th
358th
Divisors
1,574th
1,283rd
787th
912th
4,211th
398th
385th
1,141st
1,389th
557th
758th
2,315th
739th
770th
810th
408th
1st
771st
476th
285th
1,601st
1,365th
709th
439th
709th
962nd
376th
372nd
529th
22nd
524th
338th
481st
1,813th
1,108th
1,125th
3,689th
1,269th
Emirp Numbers
170th
140th
539th
364th
926th
544th
91st
282nd
175th
217th
115th
744th
433rd
22nd
298th
4th
265th
143rd
76th
150th
184th
211th
256th
463rd
106th
108th
63rd
82nd
20th
27th
478th
623rd
351st
367th
254th
526th
Emirp Numbers (Long)
72nd
162nd
110th
53rd
50th
56th
154th
42nd
58th
102nd
124th
261st
4th
104th
64th
137th
96th
36th
66th
209th
18th
23rd
Emojify
112th
81st
114th
100th
21st
72nd
22nd
64th
Evil Numbers
1,921st
1,658th
296th
1,063rd
2,537th
371st
459th
488th
661st
275th
958th
884th
451st
408th
659th
1,449th
732nd
134th
504th
419th
261st
960th
1st
436th
1,220th
395th
612th
259th
574th
1,338th
513th
35th
745th
304th
386th
2,079th
571st
704th
1,019th
922nd
Evil Numbers (Long)
622nd
246th
480th
254th
477th
546th
312th
269th
322nd
632nd
59th
436th
200th
1st
377th
238th
439th
190th
223rd
654th
365th
87th
592nd
Fibonacci
137th
1,745th
280th
1,906th
5,221st
513th
325th
730th
2,027th
285th
869th
1,552nd
1,420th
588th
1st
2,525th
264th
1,670th
470th
143rd
3,660th
3,034th
1,428th
388th
1,676th
1,625th
1,523rd
276th
268th
1,615th
30th
4,186th
243rd
255th
772nd
2,016th
1,635th
797th
692nd
2,221st
Fizz Buzz
3,843rd
1,244th
555th
3,554th
3,227th
536th
563rd
2,887th
1,728th
3,788th
2,717th
1,294th
3,473rd
1,002nd
1,912th
15th
1,761st
1,032nd
104th
1,693rd
4,550th
1,453rd
986th
2,793rd
2,395th
100th
507th
17th
46th
91st
449th
2,814th
4,095th
2,139th
2,888th
2,873rd
4,652nd
Foo Fizz Buzz Bar
294th
454th
424th
607th
783rd
448th
406th
949th
1st
681st
376th
706th
1,132nd
452nd
351st
782nd
171st
228th
191st
10th
931st
688th
778th
Forsyth–Edwards Notation
191st
128th
129th
💎
97th
3rd
52nd
Fractions
148th
309th
319th
327th
457th
276th
208th
372nd
380th
339th
143rd
112th
247th
410th
581st
390th
520th
177th
165th
87th
227th
9th
365th
Game of Life
2nd
Gijswijt’s Sequence
48th
1st
188th
117th
Happy Numbers
198th
204th
804th
474th
1,333rd
450th
300th
366th
126th
287th
156th
913th
525th
83rd
114th
399th
259th
235th
528th
519th
1st
457th
522nd
602nd
715th
502nd
123rd
163rd
28th
256th
69th
464th
942nd
909th
648th
688th
615th
Happy Numbers (Long)
107th
705th
277th
354th
681st
396th
75th
145th
211th
31st
87th
208th
193rd
327th
1st
223rd
434th
234th
297th
300th
779th
280th
225th
559th
Hexdump
250th
112th
33rd
146th
123rd
35th
85th
45th
26th
Intersection
139th
98th
175th
203rd
212th
88th
110th
17th
628th
108th
48th
28th
113th
117th
199th
104th
106th
58th
181st
32nd
659th
202nd
116th
Inventory Sequence
34th
86th
232nd
273rd
70th
103rd
283rd
1st
135th
113th
90th
14th
29th
43rd
17th
171st
ISBN
270th
507th
703rd
642nd
241st
147th
308th
3rd
224th
96th
10th
272nd
320th
894th
55th
211th
70th
14th
203rd
925th
Jacobi Symbol
39th
9th
8th
78th
16th
60th
47th
115th
40th
92nd
99th
91st
55th
82nd
17th
💎
43rd
97th
48th
5th
13th
85th
45th
56th
93rd
10th
44th
41st
63rd
3rd
15th
6th
80th
73rd
67th
90th
57th
Kolakoski Constant
67th
53rd
102nd
74th
124th
171st
58th
68th
4th
195th
98th
118th
121st
82nd
82nd
108th
201st
39th
89th
41st
20th
34th
126th
92nd
Kolakoski Sequence
60th
204th
56th
284th
448th
118th
416th
376th
90th
382nd
498th
278th
280th
23rd
341st
125th
98th
1st
281st
377th
634th
53rd
63rd
63rd
208th
300th
334th
307th
641st
Leap Years
762nd
254th
135th
299th
2,106th
550th
127th
282nd
681st
96th
1,808th
248th
268th
175th
415th
413th
191st
482nd
387th
162nd
31st
206th
726th
182nd
156th
1,059th
83rd
113th
11th
801st
337th
77th
598th
145th
1,501st
280th
385th
143rd
1,644th
Levenshtein Distance
387th
447th
328th
81st
110th
140th
384th
185th
189th
318th
65th
502nd
358th
3rd
286th
266th
Leyland Numbers
144th
141st
361st
383rd
167th
324th
340th
231st
242nd
214th
539th
407th
1st
16th
279th
220th
101st
598th
238th
323rd
507th
118th
228th
19th
103rd
326th
753rd
404th
222nd
ln 2
174th
170th
197th
153rd
244th
275th
252nd
211th
188th
133rd
218th
225th
1st
227th
176th
203rd
229th
90th
60th
141st
235th
238th
226th
3rd
172nd
128th
263rd
21st
184th
317th
202nd
220th
206th
262nd
209th
Look and Say
227th
356th
190th
321st
559th
255th
55th
353rd
153rd
404th
1st
567th
161st
316th
26th
192nd
366th
432nd
7th
226th
90th
323rd
104th
36th
435th
117th
Lucky Numbers
122nd
94th
175th
192nd
66th
137th
169th
12th
150th
163rd
90th
154th
165th
193rd
236th
53rd
95th
31st
229th
143rd
179th
176th
121st
Lucky Tickets
86th
151st
137th
163rd
128th
145th
60th
105th
87th
102nd
1st
22nd
119th
150th
29th
103rd
104th
123rd
98th
91st
196th
25th
205th
152nd
209th
127th
Maze
222nd
Medal Tally
75th
Morse Decoder
32nd
92nd
99th
107th
50th
89th
8th
82nd
17th
119th
15th
104th
22nd
61st
37th
Morse Encoder
46th
233rd
127th
29th
2nd
238th
25th
8th
37th
171st
27th
11th
24th
64th
Musical Chords
44th
138th
87th
93rd
17th
76th
102nd
84th
58th
132nd
103rd
21st
56th
178th
Niven Numbers
55th
560th
255th
832nd
2,265th
738th
286th
920th
1,022nd
218th
1,321st
658th
630th
714th
858th
1st
266th
933rd
584th
520th
81st
947th
1,312th
874th
314th
405th
955th
171st
247th
334th
728th
30th
66th
815th
378th
1,759th
479th
596th
1,262nd
1,333rd
Niven Numbers (Long)
207th
390th
455th
631st
468th
649th
64th
481st
285th
509th
327th
12th
320th
299th
260th
351st
684th
533rd
502nd
442nd
562nd
545th
825th
390th
583rd
34th
75th
364th
560th
381st
475th
793rd
Number Spiral
65th
157th
148th
107th
59th
76th
31st
1st
272nd
260th
165th
7th
201st
206th
43rd
39th
88th
Odious Numbers
1,787th
1,092nd
243rd
1,087th
2,122nd
175th
327th
595th
596th
211th
1,032nd
739th
395th
420th
624th
931st
689th
102nd
412th
356th
133rd
699th
1st
425th
986th
317th
618th
182nd
184th
1,301st
455th
33rd
632nd
262nd
247th
1,909th
507th
404th
1,283rd
743rd
Odious Numbers (Long)
459th
212th
147th
246th
389th
496th
154th
233rd
352nd
577th
85th
413th
104th
1st
303rd
192nd
418th
145th
167th
494th
360th
31st
487th
Ordinal Numbers
274th
283rd
561st
252nd
537th
491st
334th
701st
350th
338th
375th
376th
744th
280th
315th
423rd
40th
370th
452nd
299th
617th
842nd
34th
478th
195th
197th
86th
410th
857th
3rd
510th
621st
185th
Pangram Grep
301st
859th
1,309th
803rd
847th
642nd
283rd
865th
191st
382nd
553rd
482nd
525th
1st
140th
575th
393rd
306th
51st
169th
433rd
524th
176th
1,287th
68th
335th
279th
31st
109th
182nd
474th
197th
990th
1,531st
Pascal’s Triangle
287th
422nd
371st
1,951st
345th
300th
396th
529th
298th
377th
499th
793rd
301st
90th
587th
1st
404th
315th
146th
360th
799th
207th
712th
196th
117th
409th
511th
35th
70th
94th
294th
554th
682nd
464th
235th
878th
Pernicious Numbers
689th
475th
270th
636th
1,715th
209th
293rd
455th
747th
195th
950th
581st
603rd
804th
509th
1st
859th
71st
556th
534th
114th
767th
775th
812th
273rd
393rd
656th
174th
238th
95th
594th
24th
144th
158th
362nd
1,361st
626th
413th
846th
738th
Pernicious Numbers (Long)
435th
296th
254th
91st
270th
221st
310th
64th
97th
176th
240th
7th
39th
217th
257th
59th
273rd
414th
210th
230th
362nd
79th
115th
572nd
109th
409th
249th
183rd
325th
244th
309th
Poker
36th
160th
90th
45th
125th
48th
10th
32nd
106th
7th
53rd
50th
Prime Numbers
976th
525th
307th
851st
2,375th
427th
621st
882nd
742nd
394th
846th
504th
219th
1,295th
953rd
506th
261st
1st
554th
351st
124th
1,304th
3,572nd
538th
277th
463rd
969th
244th
252nd
1,273rd
1,015th
88th
159th
175th
299th
1,469th
1,285th
527th
477th
1,143rd
Prime Numbers (Long)
626th
379th
821st
677th
546th
276th
450th
738th
565th
912th
118th
484th
607th
360th
1st
472nd
337th
136th
1,006th
1,665th
555th
559th
794th
624th
610th
296th
78th
153rd
222nd
429th
Proximity Grid
65th
92nd
22nd
QR Decoder
152nd
86th
9th
129th
Quine
1st
1,520th
216th
2,359th
1,725th
3,157th
1,223rd
1,674th
2,139th
1,384th
1,378th
1,609th
2,734th
129th
1,010th
500th
1,605th
1,329th
192nd
1,171st
4,034th
1,031st
1,093rd
1,419th
1,479th
445th
1,612th
2,888th
1,538th
141st
3,080th
387th
1,274th
1,454th
1,370th
4,023rd
122nd
Recamán
80th
87th
242nd
201st
125th
246th
350th
358th
412th
115th
347th
497th
4th
402nd
170th
132nd
162nd
235th
354th
26th
60th
78th
10th
702nd
248th
120th
156th
Repeating Decimals
34th
1st
Reverse Polish Notation
505th
238th
347th
98th
1st
226th
323rd
202nd
310th
76th
159th
138th
61st
349th
Rijndael S-box
94th
59th
65th
Rock-paper-scissors-Spock-lizard
93rd
72nd
154th
90th
71st
121st
4th
49th
173rd
85th
84th
139th
41st
31st
33rd
12th
66th
128th
48th
Roman to Arabic
165th
314th
242nd
130th
393rd
331st
133rd
337th
8th
263rd
243rd
💎
80th
212th
249th
45th
266th
316th
397th
119th
70th
95th
81st
146th
47th
232nd
403rd
271st
227th
Rule 110
102nd
101st
146th
143rd
293rd
196th
339th
237th
120th
137th
257th
76th
148th
259th
31st
118th
234th
207th
150th
147th
79th
55th
58th
88th
219th
170th
289th
193rd
162nd
Seven Segment
81st
302nd
186th
67th
171st
121st
24th
73rd
59th
2nd
51st
138th
27th
65th
47th
46th
155th
82nd
25th
20th
3rd
94th
15th
74th
55th
52nd
71st
Sierpiński Triangle
72nd
68th
150th
30th
153rd
85th
218th
99th
251st
169th
130th
230th
144th
211th
55th
131st
166th
5th
28th
135th
61st
105th
172nd
14th
36th
94th
23rd
45th
137th
162nd
184th
280th
298th
93rd
Smith Numbers
56th
93rd
137th
134th
121st
115th
69th
77th
10th
211th
124th
76th
42nd
82nd
87th
139th
94th
128th
63rd
105th
115th
590th
Spelling Numbers
140th
159th
202nd
167th
358th
102nd
1st
143rd
155th
292nd
117th
193rd
111th
194th
158th
Star Wars Opening Crawl
93rd
70th
27th
3rd
28th
66th
5th
Sudoku
38th
60th
83rd
11th
27th
Sudoku v2
51st
101st
83rd
2nd
79th
121st
15th
9th
26th
Ten-pin Bowling
61st
79th
124th
60th
58th
57th
2nd
85th
113th
19th
73rd
106th
84th
21st
46th
17th
31st
6th
14th
72nd
74th
Time Distance
165th
201st
60th
28th
Tongue-twisters
98th
223rd
370th
65th
200th
48th
512th
6th
199th
124th
217th
380th
96th
15th
235th
102nd
29th
United States
43rd
39th
145th
251st
200th
22nd
122nd
147th
84th
296th
136th
32nd
204th
64th
202nd
25th
149th
21st
81st
24th
16th
20th
Vampire Numbers
72nd
41st
103rd
119th
27th
52nd
139th
💎
88th
307th
144th
91st
178th
142nd
11th
31st
6th
17th
35th
58th
Van Eck Sequence
223rd
201st
184th
234th
245th
277th
357th
145th
199th
1st
24th
264th
193rd
109th
187th
300th
328th
239th
116th
86th
8th
440th
46th
325th
149th
Zodiac Signs
26th
73rd
187th
96th
109th
💎
119th
30th
62nd
γ
202nd
1st
77th
196th
λ
909th
95th
86th
835th
470th
868th
125th
186th
63rd
27th
204th
864th
65th
66th
1,368th
113th
140th
145th
21st
28th
266th
305th
303rd
12th
59th
36th
148th
17th
173rd
298th
267th
302nd
307th
75th
345th
π
519th
209th
170th
212th
1,377th
109th
200th
217th
275th
395th
304th
144th
241st
173rd
68th
276th
4th
262nd
138th
71st
23rd
85th
293rd
301st
248th
147th
83rd
426th
63rd
113th
317th
192nd
211th
198th
265th
503rd
τ
451st
206th
183rd
216th
906th
156th
227th
222nd
256th
369th
255th
120th
225th
173rd
23rd
274th
4th
248th
170th
60th
25th
91st
283rd
300th
239th
97th
70th
398th
64th
89th
301st
200th
223rd
226th
236th
462nd
φ
469th
311th
258th
330th
1,252nd
249th
255th
445th
364th
505th
349th
159th
313th
299th
1st
192nd
126th
366th
381st
111th
77th
228th
386th
415th
353rd
12th
233rd
146th
512th
29th
7th
62nd
290th
304th
303rd
710th
328th
√2
505th
333rd
420th
332nd
1,435th
287th
440th
499th
390th
522nd
315th
202nd
341st
233rd
💎
204th
2nd
386th
256th
149th
116th
414th
417th
446th
352nd
11th
170th
530th
32nd
101st
108th
465th
331st
314th
418th
737th
𝑒
380th
238th
216th
280th
1,264th
225th
309th
265th
333rd
403rd
221st
203rd
307th
241st
10th
257th
142nd
289th
245th
124th
15th
205th
273rd
268th
301st
159th
217th
155th
349th
55th
115th
202nd
255th
281st
260th
267th
519th
364th