12 Days of Christmas
232nd
32nd
618th
606th
794th
1,272nd
253rd
1,383rd
55th
83rd
24 Game
189th
211th
55th
98th
311th
99 Bottles of Beer
107th
985th
322nd
931st
604th
2,173rd
473rd
914th
Abundant Numbers
987th
1,396th
272nd568th
372nd
1,422nd
1,013th
384th165th
2,013th
297th
1,855th
1,577th
1,796th
2,472nd879th341st
1,099th
Abundant Numbers (Long)
484th
289th
992nd
605th
1,470th
565th
584th217th
249th687th
76th
1,195th
1,256th
945th718th895th
1,230th
Arabic to Roman
567th
467th
149th
24th312th
267th961st300th270th81st
379th
299th
259th
1,000th227th
451st215th279th247th
834th
806th380th
475th112th
206th
268th
Arithmetic Numbers
245th649th
947th
280th
285th
356th
249th
113th854th
133rd
663rd
527th334th
Arrows
143rd
625th
302nd136th
130th
205th
167th
122nd
459th137th
88th
289th
106th
443rd
156th
560th
147th
Ascending Primes
237th248th
265th
240th
372nd
580th
489th
119th297th
116th
389th
260th
319th
144th
110th
ASCII Table
208th514th
95th
73rd
336th
188th
394th
63rd789th146th
186th
392nd199th270th129th
614th
138th339th
262nd
101st
Billiards
109th136th
139th
33rd
196th123rd
70th
259th121st
88th
46th
39th
201st78th67th102nd
237th
241st101st
199th
brainfuck
303rd
738th
190th
191st
1,161st
432nd
147th
196th
588th
376th
445th
897th
554th
298th
110th
Calendar
104th
167th
77th
273rd63rd
98th103rd87th88th
68th
59th
100th67th
65th85th79th
108th
74th
2nd
268th
227th
75th112th
Card Number Validation
190th226th
88th
120th
121st
205th213th161st179th452nd211th
109th
66th181st
148th126th80th
62nd69th278th202nd165th
411th
308th171st
663rd
114th
188th
Catalan Numbers
538th
369th
325th310th
920th283rd545th375th774th
783rd552nd
419th207th
1,032nd
144th
929th
35th
120th
534th
619th
642nd
Catalan’s Constant
269th
182nd
200th
2nd
267th
370th
Christmas Trees
233rd
946th
694th55th
952nd
177th
121st
259th
162nd
570th
951st
1,640th
1,030th304th
Collatz
466th
248th
497th
373rd
1,501st
2,366th
632nd
379th
497th
40th
484th380th1,025th
1,509th
1,255th
343rd402nd
1,385th580th
Continued Fractions
113th131st
89th
58th
142nd76th
128th155th130th127th
83rd
62nd115th
108th123rd94th
96th72nd122nd156th164th
119th
276th
222nd141st
129th
152nd
162nd
CSS Colors
516th
537th
279th
81st
369th
564th
255th529th
1st
446th
291st
512th
Cubes
79th
583rd
318th
27th
67th
21st
29th
563rd
41st
99th
Day of Week
762nd742nd642nd
923rd631st
204th
497th892nd603rd485th
519th757th1,030th503rd334th
366th
416th
577th280th114th385th
395th422nd402nd673rd585th
233rd1st
67th
936th951st
718th
457th
450th545th
DFA Simulator
173rd
93rd
86th
256th
99th138th150th
182nd
51st
101st69th
115th262nd70th138th
172nd
341st
290th123rd
100th249th
227th
Diamonds
145th265th
283rd
115th
168th
489th
285th
124th
263rd198th209th132nd
1,176th
1,008th
154th
308th
Divisors
1,074th1,220th
2,506th
1,314th
1,547th1,060th
845th
1,226th
2,743rd1,463rd
3,495th1,252nd1,344th746th214th
813th1,512th
2,080th
290th753rd1,465th1,158th
2,423rd
36th
3,501st1,519th327th1,101st
2,078th
2,257th
969th
Emirp Numbers
359th380th
635th
173rd
233rd
428th
211th
790th
736th494th
626th
402nd
1,349th
833rd264th
468th
Emirp Numbers (Long)
147th
343rd
288th
317th
331st
111th
237th
258th
758th
559th
142nd
76th
Emojify
116th
127th
209th
132nd
185th
69th
138th195th
261st
146th149th
121st
148th
409th
76th
Evil Numbers
1,178th1,007th
822nd
1,398th
468th648th
860th2,137th491st2,898th
676th
1,034th1,543rd
1,547th2,401st
1st
813th
1,280th1,283rd
3,215th
50th
658th436th
1,254th
1,065th
1,058th2,750th
Evil Numbers (Long)
866th
1,041st
416th
369th504th
906th
339th
634th
728th
1,271st
1st
1,063rd
1,790th
124th
995th440th
550th
1,009th
Factorial Factorisation
120th
405th
191st
303rd
56th
67th
172nd
Farey Sequence
304th
119th
238th
315th379th514th
267th
507th
190th
246th438th391st405th
461st
586th
211th
370th
633rd
Fibonacci
2,556th2,590th3,601st5,759th
1,223rd
1,943rd450th654th4,367th2,323rd3,569th1,013th5,118th1,906th1,128th4,362nd2,619th994th4,776th4,527th
3,941st1,022nd1st2,103rd417th
6,527th1,939th492nd232nd8,696th5,742nd2,071st3,443rd534th2,599th2,223rd2,801st7,767th4,606th
56th
3,779th6,096th739th2,140th8,239th2,507th3,462nd3,837th970th9,470th3,019th5,322nd
Fizz Buzz
1,896th1,998th
1,477th
2,129th
3,576th3,364th1,997th
2,144th
5,419th5,258th7,838th2,201st
2,853rd5,307th1,249th2,714th
8,217th2,143rd585th23rd
3,810th1,647th
3,183rd
505th
10,057th2,320th
2,725th7,659th2,076th
1,944th
3,663rd
2,195th
Foo Fizz Buzz Bar
509th976th
1,880th1,380th384th
1,374th
2,352nd
1,527th
310th
788th
566th
911th
139th
1,105th
1,906th653rd
1,520th
Forsyth–Edwards Notation
188th227th
235th
104th
242nd51st
129th631st138th278th354th318th
364th
88th
114th106th
340th123rd178th261st
234th
503rd
144th281st424th421st533rd164th
509th
284th209th
Fractions
498th501st
265th648th258th337th
287th1,345th630th
239th
231st
303rd
378th
168th
306th407th560th657th
1,419th
96th
10th
343rd
985th
822nd
508th
Game of Life
155th147th173rd
98th103rd
61st
99th40th
139th15th154th107th104th130th
194th296th43rd63rd
81st146th60th
100th46th65th106th122nd
39th
359th
438th
285th131st
334th
74th136th
119th
Gijswijt’s Sequence
484th
243rd270th
155th483rd126th
41st
254th
112th85th288th
594th
105th
48th
Gray Code Decoder
224th229th
263rd
137th
169th305th416th214th132nd188th142nd
115th16th171st175th
110th65th323rd
1st90th118th106th207th228th
95th
353rd
145th211th
251st127th
183rd
Gray Code Encoder
489th481st
318th
150th
314th428th281st112th
254th549th306th329th268th
220th175th209th425th
433rd165th80th
187th1st213th337th287th473rd432nd16th196th
358th
55th274th422nd
242nd199th
445th
Happy Numbers
908th497th
622nd
238th
282nd
503rd1,159th
471st436th818th411th
983rd483rd
339th
1,019th1,013th767th
515th
825th765th
478th
766th
Happy Numbers (Long)
302nd408th
319th
715th
259th
337th
461st566th221st135th
601st
27th
655th
531st
311th
816th
1,116th
297th
767th
Hexdump
202nd181st
93rd
77th
166th248th
140th519th160th133rd362nd
232nd
65th
118th76th
195th66th109th147th150th
182nd
127th
265th
424th
370th258th
Hilbert Curve
150th
90th
38th
Intersection
329th303rd
91st
135th
258th
267th
363rd59th
115th
644th342nd539th154th
678th
798th
248th
209th
98th
Inventory Sequence
402nd315th
291st
116th
657th
181st
275th
150th
265th
510th363rd145th656th
343rd
535th253rd
611th
ISBN
356th380th
630th251st
193rd
107th
160th996th293rd558th645th260th642nd
226th921st186th147th
232nd299th
349th254th621st90th189th303rd
415th
839th
221st
555th347th
503rd
210th323rd
238th
Jacobi Symbol
205th
118th
228th
135th
16th
148th
390th
183rd430th
435th
327th
73rd
Kaprekar Numbers
137th296th
269th
108th
41st
157th
287th
268th
139th
Kolakoski Constant
267th
154th
367th
443rd
Kolakoski Sequence
725th
743rd
825th
977th
393rd92nd
750th
1st
919th
398th
992nd
Leap Years
766th
209th
663rd
1,060th
654th874th
327th
2,225th
235th
1,036th
307th248th
761st632nd78th
454th2,818th1,868th
989th
387th
3,483rd
547th
Levenshtein Distance
360th212th
227th
515th77th
384th
57th
221st234th
273rd
474th
225th154th185th
18th
890th481st
608th116th305th299th
532nd168th161st
569th
Leyland Numbers
296th516th
496th
268th
325th
616th
139th188th
161st618th
595th
394th
4th
261st
335th
175th
ln 2
178th
353rd204th74th
472nd406th345th432nd551st
636th
244th219th
81st
28th
699th
255th
227th
Look and Say
321st
386th
144th
196th68th
221st141st299th
481st
589th
161st450th
169th480th83rd444th
164th133rd164th478th
578th
761st
303rd
180th467th
507th
Lucky Numbers
252nd
266th
164th
316th
113th229th161st
267th783rd
274th102nd
330th
143rd
167th
232nd
202nd
751st
Lucky Tickets
183rd235th
134th
125th
181st
108th112th
144th
143rd
168th
9th
257th
93rd
Mahjong
187th40th
86th
23rd
11th
60th
63rd
39th
283rd
62nd
Mandelbrot
120th
191st
260th
255th
74th
104th47th
129th462nd347th123rd190th148th
109th
53rd
128th202nd
199th59th76th215th176th
239th
363rd
95th124th
127th102nd
195th177th
Maze
117th186th
70th
98th252nd
244th
56th194th
66th
118th
106th
361st
332nd
108th
85th
Medal Tally
152nd203rd
61st
175th
178th227th135th
33rd
88th
76th136th
296th
340th
117th
247th
295th
Minesweeper
124th141st87th
95th
50th
131st33rd
88th
107th23rd47th52nd
75th191st49th173rd
73rd39th133rd
36th62nd74th94th
55th
256th
98th
90th
96th
Morse Decoder
129th
48th
60th
95th
74th
44th
97th130th
140th286th
98th
279th
208th113th
103rd
118th
Morse Encoder
308th
115th
109th
270th
84th
130th
293rd
96th
126th
110th
Multitap Input
84th
100th
59th
109th22nd
112th47th98th108th
89th
66th120th
80th68th24th161st
73rd77th67th110th
71st
223rd
117th
150th123rd
86th90th
113th
Musical Chords
68th
59th
90th
270th
26th
61st
207th
194th
76th
N Queens
101st
208th71st41st
118th140th
244th31st
117th24th143rd64th42nd101st78th292nd82nd
84th
26th61st
40th81st10th
48th37th52nd73rd87th
51st
282nd
13th50th91st
79th67th69th92nd
65th104th
Niven Numbers
1,074th1,395th
578th
1,412th954th
1,853rd
1,297th825th876th736th763rd1,244th1,277th1,472nd2,678th
993rd1,809th830th336th
1,267th641st76th1,786th
1,751st659th365th1,232nd1,028th1,362nd
681st
8th
2,150th407th1,178th
2,135th1,007th803rd1,430th
1,100th
Niven Numbers (Long)
1,445th880th
648th
1,067th
757th
400th
1,166th1,375th459th261st
378th792nd
1,082nd
1,664th
1,463rd
569th
1,004th
449th
1,200th
Number Spiral
141st248th
923rd
443rd
321st
40th188th
187th
269th
316th280th
342nd
164th
146th
857th
435th
227th73rd
105th
Odious Numbers
1,040th
1,300th
355th
745th
1,020th
589th
842nd
1,621st
1st
2,549th
48th
1,247th560th
2,351st
2,090th
2,328th
Odious Numbers (Long)
1,041st
381st
307th
858th
287th
695th
1,166th
1st
719th
705th
1,675th
46th
967th484th
1,018th
851st
Ordinal Numbers
438th487th
299th
275th459th
711th1,152nd455th
771st
304th500th
356th
46th642nd
1,022nd175th378th393rd
767th
111th
657th382nd193rd2nd
286th
PalindromemordnilaP
243rd254th
279th
204th128th
339th209th
57th105th
203rd98th
90th219th258th
166th
328th
39th
215th
147th
Pangram Grep
597th610th
2,305th
568th
340th374th
799th349th528th
992nd
228th292nd242nd424th
406th790th56th
250th840th175th534th
907th
848th
429th711th
570th
1,863rd1,660th392nd
1,002nd
Partition Numbers
157th230th
130th
138th279th
579th294th
201st
164th
70th306th
135th239th419th
253rd123rd
179th
473rd
151st453rd
234th
128th
124th233rd
Pascal’s Triangle
496th585th
333rd
244th
873rd575th
1,547th578th1,135th966th352nd
1,789th368th1,358th364th599th
1,376th609th
1,369th762nd
1st327th204th848th701st260th
887th
266th149th967th
174th434th
468th
472nd
Pernicious Numbers
1,015th
610th
465th
540th354th561st
1,327th
1,175th250th836th701st
1,034th684th1,157th1,265th
721st1st632nd
1,425th479th176th
982nd411th515th903rd856th
301st
41st
955th435th1,135th
393rd598th935th
652nd1,424th
Pernicious Numbers (Long)
189th
221st
139th
173rd
847th
1,071st
257th
338th
Poker
153rd
209th
261st
84th
122nd
140th
101st
279th25th110th90th
130th
51st
Polyominoes
64th
255th
Prime Numbers
924th973rd
1,459th
960th
928th1,678th253rd2,122nd
1,124th
660th338th
1st566th964th180th
1st1,739th393rd1,660th1,926th
2,314th
122nd
226th1,875th415th915th
1,800th
1,406th
Prime Numbers (Long)
898th876th
659th
1,437th
709th
177th
820th
650th1,202nd
1st679th
1st573rd523rd1,180th1,312th
112th
900th
455th803rd
593rd
Proximity Grid
155th
96th
86th
223rd84th99th88th49th105th116th71st
117th
51st134th
87th53rd202nd129th
68th60th98th123rd113th
144th
294th
121st137th
79th
200th
QR Decoder
54th
68th
185th
287th
308th
225th
232nd
Quine
1st1,598th2,700th4,376th281st
3,010th2,204th4,773rd1,535th4,751st
1,950th
662nd
2,846th2,227th2,292nd1,752nd4,882nd627th
1,650th3,568th2,061st2,958th5,295th
1,955th1,610th2,741st1,715th3,484th1st2,875th1,349th3,140th1,963rd1,797th558th3,285th
171st5,469th4,129th485th4,516th1,929th3,408th1,845th
1,782nd
Recamán
794th
275th
763rd
440th
553rd
900th317th
357th
773rd
778th
586th479th
913th
Repeating Decimals
64th
155th
67th
Reverse Polish Notation
410th295th
172nd
194th518th
684th935th630th570th347th593rd
580th1st517th
239th420th339th
429th104th250th266th
613th
686th
750th191st334th
638th
512th
Reversi
166th
52nd
94th25th
151st91st118th
36th
84th237th
140th
57th
82nd
70th
289th
223rd
335th
32nd
Rijndael S-box
80th
557th
236th
226th
115th
29th
35th
113th
290th
49th
Rock-paper-scissors-Spock-lizard
253rd
340th
329th
40th429th
126th
89th
483rd
Roman to Arabic
343rd
274th
198th
453rd
72nd
991st
187th
330th
441st
249th228th350th118th
584th
268th
709th
ROT13
570th507th
794th
518th
289th363rd404th522nd611th414th
579th354th
293rd571st266th186th
249th
649th
410th161st367th625th
77th
11th
301st205th279th365th651st765th
278th
445th
Rule 110
145th367th
132nd
241st546th
188th639th
348th
71st
143rd
368th127th
867th
249th
286th154th
91st
Scrambled Sort
259th194th
206th
427th122nd
139th
158th150th336th198th233rd170th186th279th224th
222nd9th80th
172nd128th289th
209th207th164th203rd230th
356th
301st
274th144th180th221st
219th337th
300th271st
Set
165th103rd
134th94th
237th
155th
136th193rd
86th229th364th132nd
145th
121st
85th181st243rd
230th153rd141st114th98th
209th
267th
216th133rd
282nd97th148th
123rd140th
Seven Segment
107th
102nd
150th
177th
74th
343rd
160th
598th
554th
791st
147th
440th
117th
SI Units
73rd
57th53rd
50th
182nd13th
205th95th63rd36th80th62nd54th39th
72nd32nd
35th
55th24th
51st
33rd227th29th60th76th
28th
271st
145th
46th59th48th52nd43rd67th49th
163rd70th
Sierpiński Triangle
191st339th
1,033rd
624th
206th
447th
1,115th
272nd
656th
1,801st
245th
296th
483rd
Smith Numbers
126th
61st
387th
132nd
533rd
219th
71st
585th
106th
Spelling Numbers
87th
1st
252nd
280th
118th
Star Wars GPT
128th
177th127th
121st42nd181st
63rd
95th
170th110th87th112th
275th
150th
113th
264th
Star Wars Opening Crawl
54th
233rd
84th
381st
Sudoku
22nd
340th
Sudoku (Fill-in)
247th
203rd
91st
81st131st
66th42nd53rd
93rd
67th
Ten-pin Bowling
153rd
236th
101st
72nd22nd221st32nd
86th314th120th107th87th
102nd
38th
92nd64th201st44th
163rd91st75th117th
55th
5th
222nd233rd196th116th
115th
121st
144th149th
Tic-tac-toe
308th
87th
201st
231st297th141st
275th
59th
124th248th
252nd
102nd268th175th
263rd
403rd
216th
192nd
196th
Time Distance
462nd
331st
181st
426th
459th
298th
234th
490th
410th
94th
Tongue-twisters
660th
448th
539th
979th
139th
631st
855th
285th
535th361st
312th
968th
Topological Sort
112th
52nd
192nd
85th
156th
63rd
47th
58th41st
68th
159th51st77th
76th
210th
89th
126th
177th
Tower of Hanoi
252nd337th
80th
104th
105th547th173rd247th203rd236th233rd522nd168th672nd557th
387th260th1st42nd540th
230th116th
175th45th400th403rd344th
368th52nd
302nd
241st
135th300th
355th
214th
339th
Transpose Sentence
377th318th
256th
396th
225th165th
274th
585th
252nd1st189th123rd
117th296th
33rd299th157th402nd103rd
452nd
553rd
293rd
232nd
288th
Trinomial Triangle
157th270th449th
119th116th
122nd
92nd216th229th294th
165th126th
146th
153rd
70th
111th223rd66th
1st89th97th106th150th148th
394th
234th
226th
141st100th
161st152nd100th230th
135th
United States
175th
76th
272nd
445th163rd
360th
71st
538th
193rd
333rd276th344th
271st
182nd
241st
Vampire Numbers
168th
53rd
341st
131st
81st203rd
72nd
373rd197th198th
405th
132nd
76th
Van Eck Sequence
647th
315th
529th
203rd
516th
674th
126th
286th
355th
231st
Zeckendorf Representation
299th
203rd
640th
271st
408th
207th
77th405th
378th87th140th
479th
167th
194th
Zodiac Signs
162nd
448th
371st
167th
72nd
390th
357th
γ
268th
1st
λ
147th
13th
253rd
31st373rd249th
575th121st
352nd288th371st
110th715th665th
409th
563rd
67th
44th
781st
π
68th
940th
797th
105th
333rd
624th
1,240th296th
7th
603rd
311th
209th
τ
99th
94th
297th
585th
933rd172nd
400th
285th
170th
φ
306th
283rd
227th
546th
728th
404th731st189th
601st
214th
678th
493rd
258th
475th
√2
290th
320th307th236th
666th
439th
328th
208th
244th
144th
298th
4th
272nd
257th626th
𝑒
274th
317th294th211th
570th
804th
325th
1,057th
121st
20th
374th
471st