12 Days of Christmas
231st
32nd
612th
600th
788th
1,267th
249th
1,378th
55th
83rd
24 Game
188th
210th
55th
97th
310th
99 Bottles of Beer
107th
980th
322nd
926th
601st
2,170th
471st
909th
Abundant Numbers
987th
1,395th
272nd568th
370th
1,421st
1,012th
382nd165th
2,008th
297th
1,855th
1,576th
1,796th
2,467th878th341st
1,098th
Abundant Numbers (Long)
485th
289th
990th
606th
1,465th
566th
585th217th
249th686th
76th
1,191st
1,253rd
943rd717th892nd
1,227th
Arabic to Roman
564th
464th
149th
24th312th
267th956th300th270th81st
377th
299th
259th
995th227th
449th215th279th247th
831st
803rd378th
472nd112th
206th
268th
Arithmetic Numbers
246th646th
944th
281st
286th
355th
250th
113th851st
133rd
660th
523rd335th
Arrows
143rd
624th
301st136th
130th
204th
167th
122nd
458th137th
88th
288th
106th
442nd
156th
559th
147th
Ascending Primes
237th248th
265th
240th
373rd
578th
487th
119th296th
116th
390th
260th
319th
144th
110th
ASCII Table
207th514th
95th
73rd
336th
188th
394th
63rd785th146th
186th
392nd198th268th129th
613th
138th340th
260th
101st
Billiards
109th135th
138th
33rd
194th123rd
70th
258th121st
88th
46th
39th
199th78th67th102nd
236th
240th101st
197th
brainfuck
301st
731st
189th
279th
1,155th
426th
145th
194th
582nd
370th
439th
891st
547th
297th
110th
Calendar
104th
166th
77th
272nd63rd
98th103rd87th88th
68th
59th
100th67th
65th85th79th
108th
74th
2nd
267th
226th
75th112th
Card Number Validation
190th223rd
88th
120th
121st
205th213th161st179th450th211th
109th
66th181st
148th126th80th
62nd69th277th202nd165th
410th
307th171st
660th
114th
188th
Catalan Numbers
538th
369th
325th310th
918th283rd545th375th772nd
781st552nd
419th207th
1,030th
144th
927th
35th
120th
534th
616th
669th
Catalan’s Constant
268th
181st
200th
2nd
266th
369th
Christmas Trees
232nd
941st
689th55th
947th
178th
120th
259th
163rd
569th
946th
1,634th
1,024th337th
Collatz
466th
248th
497th
373rd
1,496th
2,361st
632nd
379th
497th
40th
484th380th1,022nd
1,504th
1,252nd
343rd402nd
1,381st580th
Continued Fractions
113th131st
89th
58th
142nd76th
128th155th130th127th
83rd
62nd115th
108th123rd94th
96th72nd122nd156th164th
119th
275th
221st141st
129th
152nd
162nd
CSS Colors
515th
536th
278th
81st
368th
563rd
254th528th
1st
445th
290th
511th
Cubes
79th
583rd
319th
27th
67th
21st
29th
563rd
41st
98th
Day of Week
763rd743rd644th
922nd633rd
204th
498th891st605th486th
521st758th1,028th504th335th
367th
417th
579th280th114th386th
396th423rd403rd675th587th
233rd1st
67th
935th950th
719th
458th
451st547th
DFA Simulator
173rd
93rd
86th
254th
99th138th150th
181st
51st
101st69th
115th260th70th138th
172nd
339th
288th123rd
100th248th
226th
Diamonds
145th266th
284th
115th
166th
487th
286th
124th
264th197th208th132nd
1,170th
1,002nd
153rd
309th
Divisors
1,075th1,221st
2,504th
1,313th
1,543rd1,061st
845th
1,227th
2,739th1,461st
3,447th1,253rd1,342nd746th214th
813th1,508th
2,079th
290th753rd1,463rd1,159th
2,421st
36th
3,497th1,515th327th1,102nd
2,076th
2,255th
969th
Emirp Numbers
357th378th
634th
173rd
233rd
427th
211th
788th
734th493rd
625th
400th
1,345th
831st264th
467th
Emirp Numbers (Long)
147th
346th
291st
320th
334th
111th
239th
259th
756th
561st
144th
76th
Emojify
116th
127th
207th
132nd
184th
69th
138th194th
259th
146th149th
121st
148th
405th
76th
Evil Numbers
1,177th1,005th
822nd
1,397th
468th648th
860th2,137th491st2,893rd
676th
1,032nd1,542nd
1,547th2,402nd
1st
813th
1,279th1,282nd
3,210th
50th
658th436th
1,253rd
1,063rd
1,056th2,506th
Evil Numbers (Long)
865th
1,036th
416th
369th504th
901st
339th
634th
725th
1,266th
1st
1,058th
1,785th
124th
993rd440th
550th
987th
Factorial Factorisation
120th
403rd
188th
300th
56th
67th
357th
171st
Farey Sequence
304th
119th
238th
315th377th512th
267th
507th
190th
246th437th389th405th
460th
584th
211th
368th
631st
Fibonacci
2,557th2,591st3,603rd5,747th
1,224th
1,944th450th654th4,367th2,323rd3,571st1,014th5,116th1,907th1,129th2,462nd2,620th995th4,776th4,527th
3,942nd1,023rd1st2,103rd417th
6,514th1,940th492nd232nd8,677th5,730th2,071st3,443rd534th2,600th2,223rd2,800th7,750th4,606th
56th
3,781st6,084th739th2,140th8,221st2,508th3,462nd3,437th971st9,447th3,018th5,207th
Fizz Buzz
1,897th1,999th
1,478th
2,128th
3,574th3,362nd1,998th
2,143rd
5,417th5,256th7,831st2,200th
2,851st5,305th1,250th2,713th
8,209th2,142nd585th23rd
3,808th1,648th
3,181st
505th
10,045th2,319th
2,723rd7,653rd2,076th
1,945th
3,661st
2,194th
Foo Fizz Buzz Bar
509th975th
1,879th1,379th384th
1,373rd
2,348th
1,525th
311th
787th
566th
911th
139th
1,103rd
1,905th652nd
1,518th
Forsyth–Edwards Notation
188th226th
234th
104th
241st51st
129th629th138th276th352nd317th
362nd
88th
114th106th
338th123rd178th260th
233rd
501st
144th279th422nd419th531st164th
507th
282nd283rd
Fractions
498th501st
264th647th257th338th
289th1,341st630th
238th
230th
305th
379th
169th
308th407th561st656th
1,416th
96th
10th
344th
984th
822nd
509th
Game of Life
155th147th172nd
98th103rd
61st
99th40th
139th15th154th107th104th130th
193rd295th43rd63rd
81st146th60th
100th46th65th106th122nd
39th
358th
436th
284th131st
333rd
74th136th
119th
Gijswijt’s Sequence
482nd
242nd268th
154th481st126th
41st
252nd
112th85th286th
592nd
105th
48th
Gray Code Decoder
225th231st
265th
138th
173rd306th418th214th132nd188th142nd
115th16th175th179th
110th65th322nd
1st90th118th106th207th230th
95th
354th
149th211th
253rd127th
159th
Gray Code Encoder
492nd464th
319th
151st
315th432nd282nd112th
255th554th307th330th270th
221st176th210th417th
449th166th80th
192nd1st214th338th288th477th436th16th187th
360th
55th276th429th
243rd200th
515th
Happy Numbers
999th483rd
623rd
244th
286th
503rd1,157th
471st434th818th409th
981st484th
340th
1,018th1,012th767th
515th
825th765th
478th
766th
Happy Numbers (Long)
302nd406th
319th
711th
259th
337th
458th561st221st135th
597th
27th
651st
525th
311th
813th
1,112th
297th
764th
Hexdump
201st180th
93rd
77th
166th249th
141st518th160th133rd361st
232nd
65th
118th76th
194th66th109th147th150th
181st
127th
265th
423rd
369th239th
Hilbert Curve
152nd
89th
38th
Intersection
328th302nd
91st
135th
258th
267th
361st59th
115th
641st341st536th154th
675th
793rd
248th
209th
98th
Inventory Sequence
402nd315th
291st
116th
653rd
181st
275th
150th
265th
508th362nd145th652nd
342nd
531st253rd
608th
ISBN
355th369th
624th251st
193rd
107th
160th988th294th553rd639th261st636th
226th916th186th147th
232nd300th
348th254th615th90th189th304th
413th
833rd
221st
550th346th
500th
210th323rd
238th
Jacobi Symbol
203rd
118th
226th
135th
16th
147th
388th
181st427th
432nd
324th
73rd
Kaprekar Numbers
138th294th
267th
108th
41st
155th
285th
266th
139th
Kolakoski Constant
267th
152nd
366th
442nd
Kolakoski Sequence
722nd
740th
820th
970th
392nd92nd
747th
1st
913th
397th
985th
Leap Years
767th
209th
664th
1,057th
655th874th
327th
2,217th
235th
1,033rd
307th248th
762nd633rd78th
454th2,811th1,862nd
986th
387th
3,476th
547th
Levenshtein Distance
359th212th
227th
515th77th
383rd
57th
221st234th
273rd
473rd
225th154th185th
18th
885th480th
604th116th305th299th
531st168th161st
566th
Leyland Numbers
296th514th
496th
268th
324th
615th
139th188th
161st617th
594th
393rd
4th
261st
334th
175th
ln 2
178th
352nd204th74th
471st403rd344th430th550th
634th
244th219th
81st
28th
696th
255th
227th
Look and Say
322nd
386th
146th
198th70th
222nd143rd300th
482nd
589th
163rd450th
171st481st85th444th
166th135th166th479th
578th
760th
304th
182nd468th
508th
Lucky Numbers
253rd
265th
167th
318th
114th232nd164th
266th782nd
273rd103rd
332nd
144th286th
170th
149th
205th
751st
Lucky Tickets
183rd235th
134th
125th
181st
108th112th
144th
143rd
168th
9th
256th
93rd
Mahjong
187th41st
85th
20th
11th
60th
63rd
39th
285th
62nd
Mandelbrot
120th
188th
257th
253rd
74th
104th47th
129th459th344th123rd187th148th
109th
53rd
128th200th
197th59th76th213th174th
237th
360th
95th124th
127th102nd
192nd264th
Maze
117th170th
70th
98th249th
241st
56th192nd
66th
118th
106th
357th
328th
108th
85th
Medal Tally
152nd202nd
61st
175th
178th227th135th
33rd
88th
76th136th
294th
338th
117th
246th
293rd
Minesweeper
124th152nd87th
95th
50th
131st33rd
88th
107th23rd47th52nd
75th190th49th172nd
73rd39th133rd
36th62nd74th94th
55th
255th
98th
90th
96th
Morse Decoder
128th
48th
60th
95th
74th
44th
97th129th
139th286th
98th
279th
208th113th
103rd
151st
Morse Encoder
306th
114th
109th
268th
84th
129th
291st
96th
125th
110th
Multitap Input
85th
101st
59th
110th22nd
113th47th99th109th
90th
66th121st
81st68th24th161st
74th78th67th111th
71st
223rd
118th
149th124th
87th91st
114th
Musical Chords
68th
59th
90th
269th
26th
61st
206th
193rd
76th
N Queens
102nd99th
208th71st41st
117th140th
244th31st
116th24th143rd64th42nd102nd78th292nd82nd
84th
26th61st
40th81st10th
48th37th52nd73rd87th
51st
282nd
13th50th91st
79th67th69th92nd
65th123rd
Niven Numbers
1,074th1,393rd
578th
1,429th954th
1,854th
1,295th825th876th759th786th1,244th1,275th1,470th2,673rd
993rd1,810th830th337th
1,265th641st77th1,787th
1,752nd659th366th1,232nd1,028th1,360th
682nd
8th
2,151st408th1,178th
2,136th1,007th803rd1,407th
1,098th
Niven Numbers (Long)
1,440th879th
648th
1,063rd
757th
400th
1,162nd1,371st459th261st
378th792nd
1,076th
1,659th
1,459th
569th
1,000th
449th
1,196th
Number Spiral
141st247th
917th
442nd
321st
41st185th
184th
268th
316th279th
342nd
163rd
146th
852nd
434th
226th73rd
105th
Odious Numbers
1,038th
1,300th
355th
743rd
1,018th
589th
840th
1,621st
1st
2,545th
48th
1,246th560th
2,348th
2,089th
2,201st
Odious Numbers (Long)
1,038th
381st
307th
855th
287th
692nd
1,162nd
1st
716th
702nd
1,672nd
46th
964th484th
1,015th
837th
Ordinal Numbers
438th491st
300th
276th458th
712th1,146th454th
772nd
305th499th
356th
46th642nd
1,020th175th378th393rd
767th
111th
657th382nd193rd2nd
287th
PalindromemordnilaP
243rd254th
277th
204th128th
337th209th
57th105th
203rd98th
90th219th258th
166th
326th
39th
215th
147th
Pangram Grep
594th607th
2,283rd
566th
339th373rd
794th348th526th
988th
228th292nd242nd423rd
405th785th56th
250th837th175th532nd
904th
845th
428th709th
568th
1,852nd1,651st391st
1,253rd
Partition Numbers
157th228th
130th
138th277th
576th293rd
200th
164th
70th305th
135th237th418th
252nd123rd
179th
471st
151st451st
232nd
128th
124th251st
Pascal’s Triangle
497th583rd
333rd
244th
872nd574th
1,541st577th1,132nd965th352nd
1,783rd368th1,355th364th597th
1,372nd606th
1,365th759th
1st327th204th847th698th260th
886th
266th149th966th
174th434th
469th
473rd
Pernicious Numbers
1,015th
610th
465th
540th354th561st
1,328th
1,173rd250th836th701st
1,034th684th1,154th1,264th
721st1st632nd
1,419th479th176th
982nd411th515th903rd856th
301st
41st
955th435th1,133rd
393rd598th935th
652nd1,314th
Pernicious Numbers (Long)
189th
221st
616th
139th
173rd
845th
1,067th
257th
339th
Poker
149th
206th
257th
190th
119th
136th
98th
275th25th107th90th
126th
51st
Polyominoes
64th
253rd
Prime Numbers
925th972nd
1,460th
961st
929th1,680th253rd2,122nd
1,123rd
660th338th
1st566th965th180th
1st1,741st393rd1,662nd1,927th
2,314th
122nd
226th1,877th415th916th
1,802nd
1,406th
Prime Numbers (Long)
899th877th
660th
1,433rd
709th
177th
821st
650th1,201st
1st679th
1st573rd523rd1,177th1,308th
112th
901st
455th804th
593rd
Proximity Grid
154th
96th
86th
222nd84th99th88th49th105th116th71st
117th
51st133rd
87th53rd201st128th
68th60th98th123rd113th
143rd
292nd
121st136th
79th
199th
QR Decoder
54th
76th
184th
284th
305th
222nd
229th
Quine
1st1,598th2,678th4,354th281st
2,989th2,203rd4,751st1,535th4,729th
1,950th
662nd
2,826th2,226th2,291st1,752nd4,860th627th
1,650th3,546th2,060th2,938th5,272nd
1,955th1,610th2,722nd1,715th3,462nd1st2,855th1,349th3,119th1,963rd1,797th558th3,263rd
171st5,446th4,107th485th4,494th1,929th3,386th1,845th
1,782nd
Recamán
793rd
286th
761st
439th
553rd
900th317th
357th
772nd
777th
586th478th
913th
Repeating Decimals
64th
155th
67th
Reverse Polish Notation
410th295th
172nd
176th519th
684th935th630th570th346th594th
580th1st518th
239th417th338th
429th105th250th266th
613th
686th
749th192nd334th
638th
513th
Reversi
165th
52nd
94th25th
151st91st118th
36th
84th236th
140th
57th
82nd
70th
288th
222nd
335th
32nd
Rijndael S-box
77th
553rd
233rd
223rd
113th
29th
35th
111th
287th
49th
Rock-paper-scissors-Spock-lizard
253rd
339th
328th
40th427th
126th
89th
481st
Roman to Arabic
344th
274th
198th
454th
72nd
993rd
187th
331st
443rd
249th228th351st118th
584th
268th
709th
ROT13
569th506th
789th
517th
289th362nd403rd521st610th413th
578th353rd
292nd570th266th186th
249th
649th
409th161st366th624th
77th
11th
300th205th279th364th651st761st
278th
445th
Rule 110
145th368th
132nd
239th545th
187th638th
349th
72nd
143rd
369th127th
862nd
247th
284th154th
92nd
Scrambled Sort
259th194th
206th
428th122nd
139th
158th150th336th198th233rd170th186th279th224th
222nd9th80th
172nd128th289th
209th207th164th203rd230th
356th
301st
274th144th180th221st
219th337th
300th273rd
Set
164th103rd
134th94th
237th
154th
136th193rd
86th229th364th132nd
144th
121st
85th181st243rd
230th152nd140th114th98th
209th
267th
216th133rd
282nd97th147th
123rd180th
Seven Segment
107th
102nd
149th
176th
74th
342nd
159th
593rd
551st
784th
146th
438th
117th
SI Units
72nd
57th53rd
50th
182nd13th
204th94th63rd36th79th62nd54th39th
71st32nd
35th
55th24th
51st
33rd225th29th60th75th
28th
269th
144th
46th59th48th52nd43rd67th49th
163rd98th
Sierpiński Triangle
191st337th
1,030th
624th
206th
448th
1,112th
270th
656th
1,792nd
243rd
294th
483rd
Smith Numbers
125th
61st
385th
131st
531st
218th
71st
584th
106th
Spelling Numbers
87th
1st
251st
279th
118th
Star Wars GPT
129th
176th128th
121st43rd180th
63rd
95th
169th110th87th112th
275th
150th
113th
264th
Star Wars Opening Crawl
54th
230th
84th
379th
Sudoku
22nd
339th
Sudoku (Fill-in)
245th
202nd
91st
81st130th
66th42nd53rd
93rd
67th
Ten-pin Bowling
152nd
235th
101st
72nd22nd220th32nd
86th313th120th107th87th
102nd
38th
92nd64th201st44th
162nd91st75th117th
55th
5th
221st232nd196th116th
115th
121st
144th163rd
Tic-tac-toe
309th262nd
87th
201st
230th298th141st
276th
59th
124th247th
251st
102nd268th175th
263rd
403rd
215th
192nd
196th
Time Distance
459th
329th
180th
423rd
456th
296th
231st
487th
407th
94th
Tongue-twisters
650th
446th
535th
968th
139th
621st
844th
284th
531st359th
311th
956th
Topological Sort
112th
52nd
191st
85th
155th
63rd
47th
58th41st
68th
158th51st77th
76th
209th
89th
125th
176th
Tower of Hanoi
254th338th
81st
106th
107th549th175th249th205th238th235th522nd170th675th559th
388th262nd1st42nd541st
232nd118th
177th45th401st404th345th
369th56th
304th
243rd
137th302nd
356th
216th
340th
Transpose Sentence
375th316th
256th
394th
225th165th
274th
584th
252nd1st189th123rd
117th296th
33rd299th157th400th103rd
451st
552nd
293rd
232nd
288th
Trinomial Triangle
157th270th448th
119th116th
122nd
92nd216th229th294th
165th126th
146th
153rd
70th
111th223rd66th
1st89th97th106th150th148th
393rd
234th
226th
141st100th
161st152nd100th230th
135th
United States
174th
76th
271st
444th163rd
360th
71st
536th
192nd
333rd275th344th
270th
181st
240th
Vampire Numbers
167th
53rd
341st
131st
81st201st
72nd
373rd195th196th
405th
132nd
76th
Van Eck Sequence
645th
315th
528th
203rd
515th
672nd
126th
286th
355th
231st
Zeckendorf Representation
208th
203rd
637th
269th
406th
207th
77th403rd
375th87th140th
476th
167th
194th
Zodiac Signs
161st
445th
368th
166th
72nd
387th
354th
γ
269th
1st
λ
146th
13th
252nd
31st374th248th
574th121st
354th286th372nd
109th720th670th
409th
562nd
67th
44th
786th
π
68th
937th
795th
105th
331st
622nd
1,235th296th
7th
601st
311th
209th
τ
99th
94th
295th
584th
931st172nd
398th
285th
170th
φ
306th
283rd
227th
544th
727th
404th730th190th
600th
214th
677th
490th
258th
473rd
√2
290th
320th307th236th
665th
439th
328th
208th
244th
144th
298th
4th
272nd
257th625th
𝑒
274th
317th294th211th
567th
800th
325th
1,055th
121st
20th
374th
469th