12 Days of Christmas
1,094th
1,007th
1,485th931st
890th
1,764th
531st829th
232nd1,598th337th
380th1,211th
1,605th
979th295th
24 Game
204th
104th201st
207th
65th
31st💎
30th57th143rd2nd
218th134th
216th
99 Bottles of Beer
844th
946th
1,259th
1,237th
193rd
1,284th
153rd1,141st
131st1,240th26th
270th904th1,584th1,051st
235th
Abundant Numbers
3,113th
1,316th657th
815th964th
654th
1,177th
1,426th2,583rd
2,182nd
634th
56th330th
506th500th22nd101st
992nd786th149th328th1,885th754th
1,599th
278th1,178th
Abundant Numbers (Long)
434th236th
167th1,329th896th
746th
562nd
312th565th
1,274th
965th
101st159th
494th370th38th3rd
866th921st100th34th533rd237th
313th840th
Arabic to Roman
136th
169th
591st24th
220th
78th
335th
481st
234th172nd
512th242nd407th💎
629th2nd
616th355th
781st188th
Arithmetic Numbers
631st203rd131st34th83rd
626th1,129th
546th
185th189th146th569th180th219th342nd521st161st654th
130th2nd
147th95th454th29th💎662nd100th160th666th585th294th456th959th706th517th38th466th304th282nd
179th1,049th581st563rd580th182nd
Arrows
270th
306th
443rd
628th
199th50th
104th387th1st
42nd121st
432nd
736th
Ascending Primes
453rd
193rd
181st339th
184th
226th
66th
308th
379th
75th6th
86th202nd79th1st
201st
97th214th88th256th292nd262nd
559th
ASCII Table
171st
108th
642nd
267th121st
375th120th
556th
79th796th
802nd70th367th1,213th
231st184th368th782nd466th129th
164th
Billiards
25th
37th265th
267th
83rd
237th
68th5th
177th106th182nd2nd
254th271st
244th136th
brainfuck
420th
316th627th
569th
290th
996th727th
616th
167th57th
326th342nd498th38th
924th
517th108th380th
558th
Calendar
249th
112th
89th28th
111th
57th
142nd262nd
264th
Card Number Validation
239th
244th429th
488th
436th
218th
146th
124th30th
48th232nd84th2nd
161st
267th430th220th
132nd347th
111th
Catalan Numbers
1st
779th
420th556th930th
431st326th
619th877th
555th661st
773rd
680th
208th14th1,040th
145th612th197th467th
601st
469th30th633rd923rd272nd913th
562nd639th
Catalan’s Constant
334th
340th285th
226th
94th
141st
75th53rd
163rd238th2nd88th
236th276th
247th
196th
Christmas Trees
774th752nd
572nd
796th
22nd492nd
581st241st
487th
67th4th
204th34th6th
244th
267th100th
539th585th
Collatz
1,606th
1,098th
251st598th
270th1,122nd1,113th
229th
612th
362nd604th
1,023rd
883rd
83rd37th
142nd4th207th694th3rd1,060th
837th170th262nd225th630th615th
868th1,527th744th
Continued Fractions
147th
270th
50th
137th64th
89th170th20th
280th107th
238th
CSS Colors
489th
487th
286th
1st262nd
420th165th
280th257th216th
1st
94th
213th193rd
555th
537th
Cubes
305th
130th
160th61st
104th7th
35th312th12th
208th40th
350th
Day of Week
654th
300th
444th876th
879th
593rd
339th
741st
605th644th
116th356th1,242nd556th
1st775th812th247th
181st
452nd
DFA Simulator
84th
92nd
297th
129th
88th38th
158th293rd5th
298th252nd
284th
Diamonds
372nd167th
356th
347th
161st
646th
659th
96th221st
294th55th8th
186th298th252nd
424th
1,677th
690th
Divisors
1,813th457th881st923rd952nd2,269th
732nd
1,070th1,508th
904th1,231st
2,726th1,102nd399th
216th1st1,551st
439th404th1,797th19th
1,519th
893rd36th263rd28th1,029th331st
996th2,368th2,413th
Emirp Numbers
644th
938th664th
359th732nd
1,274th900th
425th
541st
522nd
572nd5th
725th1,099th931st34th
132nd292nd169th730th1,007th1,252nd
949th
695th769th
Emirp Numbers (Long)
66th
59th215th
420th
364th305th
101st
457th
434th
137th10th
115th139th250th1st
284th355th211th
515th240th
670th
Emojify
103rd
93rd291st
295th
181st
14th
146th52nd
118th44th20th2nd
137th129th
16th
221st
Evil Numbers
1,747th703rd
825th1,558th1,740th1,017th1,291st468th641st1,789th
490th2,549th
1,128th874th1,793rd
1,170th200th
517th463rd1,696th1st
1,815th
589th51st1,258th1,677th733rd1,251st
681st
1,979th2,007th
Evil Numbers (Long)
1,036th305th
290th1,249th849th
715th368th638th964th
339th
1,195th
1,162nd
651st89th
469th1,438th1,382nd1st
824th
451st47th670th1,887th891st656th1,493rd
522nd751st
Factorial Factorisation
84th
53rd
373rd
141st195th
76th
362nd
99th7th
164th83rd31st3rd
349th160th112th255th
218th
Farey Sequence
312th
461st130th99th155th492nd533rd
483rd
528th197th140th
184th
383rd
94th
380th44th
107th112th137th20th
252nd
306th345th
296th388th164th450th161st394th
637th
Fibonacci
3,804th
3,923rd
2,780th806th909th656th3,410th4,070th3,082nd3,569th3,214th2,851st1,910th2,289th1,096th4,780th1,006th1,101st3,799th1,016th1st
418th371st3,158th494th232nd2,006th521st1st
536th
2,225th
3,837th3,679th1,248th1,231st56th787th2,963rd1,155th742nd
2,157th3,439th2,257th973rd
3,916th
Fizz Buzz
1,616th1,164th3,593rd777th3,298th5,230th
3,371st
1,632nd
4,533rd2,010th
3,191st
4,957th
683rd5,239th
589th23rd719th678th481st
4,328th
5,385th801st1,571st465th2,728th671st
3,283rd6,310th
Foo Fizz Buzz Bar
656th510th
478th1,598th
1,332nd
675th
1,452nd450th
921st
928th
273rd1,446th
420th207th389th105th
1,363rd25th1,020th381st1,372nd1,534th
562nd
Forsyth–Edwards Notation
310th
282nd
346th
165th
332nd
102nd45th
67th328th7th
24th
261st17th83rd
200th
122nd
606th349th
Fractions
603rd
779th154th
186th
346th
651st
467th425th
227th638th
505th
1st
349th189th
597th709th282nd147th
722nd521st748th316th10th326th
307th558th
Game of Life
217th
181st
424th
279th
63rd202nd
237th290th2nd
401st300th
358th
600th
Gijswijt’s Sequence
160th135th
76th
226th182nd
179th
69th
147th
1st
155th💎
172nd37th47th4th
206th63rd
67th190th
231st
528th375th
Gray Code Decoder
227th
135th
169th95th
129th88th1st
300th224th
164th
Gray Code Encoder
466th
439th
367th127th
325th197th1st
375th433rd
573rd
Happy Numbers
1,272nd1,021st
911th1,144th
333rd890th
570th
903rd1,938th
373rd
436th
410th263rd
755th613th951st1st
816th
174th516th234th474th1,505th827th
571st
649th846th
Happy Numbers (Long)
320th285th
688th
709th
424th
179th342nd
521st
566th
78th7th
313th652nd115th27th
689th
435th91st177th511th750th505th
637th469th
Hexdump
56th
82nd
395th
318th
349th
475th
188th253rd
204th452nd42nd
234th
185th381st407th
104th
545th
Hilbert Curve
137th
169th
92nd8th
💎
160th32nd
117th
Intersection
219th
233rd763rd
616th
155th
460th
136th
58th433rd
353rd356th425th9th
119th315th
387th
Inventory Sequence
496th285th
325th764th
332nd
282nd
733rd765th
408th
1st
248th18th
172nd69th80th7th
427th
489th
713th184th121st529th32nd275th
844th264th
ISBN
693rd
251st242nd
314th803rd
797th
372nd
479th281st
380th
606th
147th311th
178th275th64th2nd
317th83rd526th282nd757th525th
636th
Jacobi Symbol
14th
80th70th156th123rd327th
271st
97th83rd
102nd
166th16th13th
114th5th
67th46th105th138th4th141st
206th
164th65th121st405th411th125th
136th377th
113th
Kaprekar Numbers
181st64th
178th
316th
87th124th
430th
216th
61st
185th3rd
20th59th109th1st
121st
215th294th38th
305th212th
201st
Kolakoski Constant
26th
76th319th
245th
178th
246th
139th
275th
190th2nd
165th94th25th7th
253rd51st
199th
393rd
Kolakoski Sequence
585th463rd
460th582nd
82nd
502nd
482nd797th
475th
193rd
93rd110th
348th326th129th1st
44th392nd979th47th186th
1,007th
746th692nd
Leap Years
764th647th
639th
669th
833rd
203rd2,210th
1,669th
148th
137th434th
78th1,137th945th4th
2,198th937th290th159th
553rd1,052nd
1,143rd537th
Levenshtein Distance
171st
263rd681st
431st
172nd
59th
237th115th
473rd390th159th2nd
454th53rd385th117th
671st
Leyland Numbers
533rd
272nd281st
164th
635th
380th
540th466th
134th
358th67th
104th284th
478th120th74th65th
157th4th136th542nd570th565th
909th
ln 2
334th
307th248th
156th
353rd
193rd
401st
226th
220th27th
142nd295th82nd237th414th
3rd
200th116th276th199th78th359th
440th
320th
Look and Say
247th83rd539th162nd450th610th
786th
219th704th
493rd1,106th264th584th384th1st
102nd38th
134th392nd483rd300th3rd
263rd514th
494th696th97th309th126th265th
504th282nd423rd
Lucky Numbers
94th129th
294th470th
122nd
65th331st
219th
501st
1st
73rd11th
345th317th71st4th
13th63rd449th177th158th
418th
Lucky Tickets
289th
185th413th
303rd
175th
133rd
211th
85th
113th192nd
72nd189th70th2nd
350th
310th119th458th292nd267th
294th
Mahjong
67th
47th140th
6th
77th41st46th
128th
86th
7th
34th9th
139th28th16th💎
66th2nd21st
136th
48th101st
Mandelbrot
45th
220th
290th
28th
199th
68th2nd
203rd
191st5th
318th186th
266th
Maze
381st
303rd321st
328th
171st123rd
84th6th
246th213th242nd💎
167th294th105th
255th
Medal Tally
206th
73rd
274th
66th
167th
130th
129th18th
253rd48th224th2nd
217th291st209th
188th
193rd
Minesweeper
169th
16th
54th39th
3rd
221st78th
187th
Morse Decoder
143rd
184th
259th
239th
304th
72nd55th
129th174th21st
252nd86th
306th
Morse Encoder
185th
315th
212th
81st45th
84th304th40th
312th101st
288th
Multitap Input
181st
219th
80th23rd
31st
2nd
210th180th
130th
Musical Chords
143rd52nd115th
200th
142nd92nd
95th
40th
97th21st
170th138th2nd
209th82nd
164th
N Queens
55th21st131st155th237th
283rd
83rd
236th
107th97th245th
95th6th
57th93rd45th203rd12th
125th265th30th72nd199th70th
Niven Numbers
226th
1,864th1,183rd555th445th955th1,362nd1,947th2,580th1,305th389th1,939th824th877th1,085th1,445th1,464th2,354th1,433rd1,900th993rd1,799th1,532nd338th1,241st2,314th641st76th1,052nd1,163rd4th
367th571st1,212th1,343rd1,604th665th1,384th829th8th612th58th1,846th409th
1,695th2,368th1,007th785th2,766th1,654th2,887th756th
Niven Numbers (Long)
708th472nd
1,025th1,035th1,277th
552nd
740th
383rd679th
1,364th
1,083rd
264th54th562nd
333rd535th172nd2nd
260th
1,137th128th292nd21st73rd1,461st
444th1,322nd
Number Spiral
159th
343rd361st
442nd
254th
394th133rd
302nd
186th
101st14th
238th49th40th2nd
84th419th46th351st542nd228th
105th510th
Odious Numbers
614th
664th1,272nd1,377th827th1,055th351st
1,731st
911th2,173rd
1,153rd
1,210th
1,090th157th
388th331st1,590th1st
1,616th
444th49th1,280th1,599th1,719th1,040th
568th
2,092nd2,175th
Odious Numbers (Long)
558th
371st859th604th
669th307th
931st
287th
1,097th
938th
653rd137th
242nd1,158th1,402nd1st
851st
391st47th1,017th1,685th995th692nd
1,010th698th
Ordinal Numbers
651st
549th
774th
555th
909th757th
535th
673rd
265th910th
46th923rd282nd42nd
152nd
277th618th112th200th599th
126th2nd
661st567th
PalindromemordnilaP
440th
512th
178th
139th
105th49th
119th249th3rd
58th
383rd303rd
278th
290th
Pangram Grep
1,647th
1,519th945th
448th
458th755th
935th1,351st
298th
158th128th
56th540th434th3rd
1,349th
760th707th332nd657th233rd
510th
1,344th
Partition Numbers
316th114th145th105th259th
196th
60th184th
127th
292nd138th4th
71st5th
190th49th131st327th1st
77th
111th272nd
136th166th419th187th14th91st
302nd
189th
Pascal’s Triangle
662nd514th
540th1,018th
125th
1,084th
1,027th352nd
1,199th
87th
219th1st
525th242nd681st1st
1,572nd97th159th75th443rd178th
475th604th
Pernicious Numbers
1,061st276th
563rd1,227th1,256th1,085th339th
1,041st840th
1,151st890th
1,323rd
1st
1,520th128th
481st178th1,181st329th29th
538th
224th303rd154th762nd43rd679th114th951st435th
1,205th
395th600th
928th
654th
Pernicious Numbers (Long)
716th
390th
534th
142nd
533rd
409th
560th1st
508th136th1st
397th104th234th
378th202nd
731st487th
Poker
151st
48th275th
301st
42nd147th
158th
195th
59th272nd
236th66th278th2nd
77th298th186th
282nd93rd
121st
Polyominoes
58th22nd24th114th
7th
17th37th34th
4th
100th3rd
33rd39th23rd119th💎44th
10th36th
127th35th
50th
40th
42nd
Prime Numbers
1,904th969th1,476th
704th
1,296th1,260th
1,123rd938th
1,513th2,580th
253rd2,686th
1,202nd
1,794th
339th1st
180th543rd652nd1st
2,333rd
2,128th
589th122nd506th226th1,316th525th
730th
1,247th2,278th
Prime Numbers (Long)
1,362nd871st1,801st
932nd564th
810th1,306th1,318th
619th
504th707th
178th1,059th
1,224th
1,428th
426th1st
204th1,119th380th1st
1,433rd
1,127th
778th112th387th906th518th457th
996th953rd
Proximity Grid
34th
51st
279th
204th
80th29th
71st216th4th
203rd
261st69th
214th
QR Decoder
153rd
155th
229th
56th78th
64th308th3rd
243rd59th
247th
Quine
1st
4,193rd
4,213th1,544th4,221st3,151st1,959th
2,053rd667th
1,949th
4,056th631st
3,243rd
3,567th
750th2,014th
1,619th252nd1,736th1,483rd1st
777th
562nd
1,902nd172nd4,881st
488th1,460th
1,854th3,368th1,791st2,885th
Recamán
336th
234th647th
564th
652nd357th
1,104th
428th
496th
116th4th
97th363rd312th46th
400th70th152nd
429th206th
687th690th
Repeating Decimals
183rd
80th365th
247th
118th
105th87th
277th115th246th53rd
227th96th49th129th
Reverse Polish Notation
84th
140th715th
461st
434th
356th263rd
307th
1st
110th218th
177th258th667th123rd
345th
76th532nd
495th
536th898th
Reversi
179th
136th308th
263rd
166th
119th65th
212th72nd114th2nd
284th92nd
207th
295th
Rijndael S-box
373rd
198th
272nd
150th
506th
139th
53rd7th
172nd
67th282nd6th
259th45th
287th189th
Rock-paper-scissors-Spock-lizard
210th
102nd359th
460th
63rd62nd
171st57th365th56th
94th408th81st
430th
Roman to Arabic
219th
399th614th
544th
181st427th
72nd
395th
473rd
166th529th
295th631st257th42nd
205th572nd
552nd2nd
436th
780th
401st
ROT13
315th253rd231st399th
547th
294th225th
579th
274th
187th141st
364th636th228th8th
56th170th
495th317th175th107th45th
157th
Rule 110
175th
112th
295th
126th
324th
192nd
297th
213th3rd
113th37th💎
251st162nd
40th
341st
Scrambled Sort
103rd
354th488th
128th
145th77th
502nd
9th
134th5th
281st104th215th2nd
288th203rd
91st
Set
205th
215th328th
243rd
95th120th
284th
111th25th
209th66th119th💎
230th248th104th
240th
106th
Seven Segment
142nd
70th
495th
275th
546th
233rd297th
525th323rd13th
134th481st
534th
SI Units
21st
22nd
207th
27th34th
37th17th14th
235th35th
206th
Sierpiński Triangle
484th
419th
314th
398th
337th
177th
237th79th
285th305th22nd
221st119th
319th
440th264th
Smith Numbers
118th237th
283rd
465th
335th293rd
360th451st
259th
424th
51st💎
95th82nd48th3rd
546th
285th162nd175th686th410th352nd
581st
Spelling Numbers
454th
404th
559th1st
243rd148th
289th619th152nd
261st313th
674th
Star Wars GPT
121st
181st
233rd
77th98th
152nd
148th
143rd21st
70th145th1st178th
214th185th
165th
161st
Star Wars Opening Crawl
31st
42nd261st
230th
173rd
112th
48th32nd
192nd66th37th14th
27th65th
198th
Sudoku
16th
39th222nd
250th
75th
35th24th
201st52nd205th25th
234th57th
256th
Sudoku (Fill-in)
28th
42nd236th
216th
76th
103rd
191st
51st30th
192nd102nd14th💎
214th149th237th185th
Ten-pin Bowling
57th
106th
245th
125th
252nd
194th
70th49th
201st218th12th117th
306th
283rd75th
256th64th
Tic-tac-toe
247th
312th
315th
20th226th
228th
125th52nd
169th25th127th77th15th167th
83rd
350th114th
95th
115th
74th
Time Distance
258th
239th
440th
165th285th
124th6th
82nd429th38th
153rd326th
456th
Tongue-twisters
342nd
385th
580th
584th
646th
537th
225th79th
359th241st501st220th
303rd144th
443rd
1,018th114th
Topological Sort
40th
215th
144th14th
261st1st
211th142nd
95th
Tower of Hanoi
63rd
221st
449th
207th
187th
1st
239th36th
163rd676th360th11th
523rd306th138th
327th
Transpose Sentence
273rd
331st477th
410th
204th
480th
1st
124th65th
239th147th168th33rd
595th444th405th430th338th177th
Trinomial Triangle
392nd
316th
289th
158th
9th
154th23rd
47th140th1st
216th56th
42nd
United States
305th
330th
413th
279th
35th
169th321st
80th337th💎
371st9th
400th
117th
Vampire Numbers
16th
147th374th
278th
85th
283rd
223rd228th
133rd3rd
149th164th64th208th6th
327th101st536th412th196th
465th
Van Eck Sequence
412th
365th659th
313th
457th
582nd
403rd
1st
157th28th
165th232nd111th7th
405th210th177th
62nd202nd
740th
Zeckendorf Representation
221st
168th
383rd
162nd
469th
311th
1st
145th44th
28th105th122nd5th
255th446th389th
354th
319th
Zodiac Signs
120th
67th
324th
124th
281st
86th40th
114th204th21st
106th16th240th
42nd
γ
302nd
266th223rd
224th
70th89th
81st
154th
145th
80th56th
87th632nd1st103rd181st
84th212th128th
201st
λ
220th
336th382nd
387th
196th
403rd
187th28th
350th814th393rd90th
368th389th796th
436th381st
482nd
π
438th
158th444th
468th290th
212th
129th
480th
482nd
153rd164th
74th318th7th214th565th
164th
382nd681st
446th
599th
τ
432nd
208th441st
416th377th
270th
115th
449th
487th
213th238th
93rd288th15th168th
131st
362nd618th
398th
582nd
φ
276th382nd420th644th616th
191st614th429th374th654th
227th
550th
564th
239th3rd
412th434th70th325th723rd
47th
257th148th626th599th326th482nd
236th
502nd
√2
1,093rd
363rd
377th570th441st
213th529th554th477th932nd
286th
582nd
764th
406th397th
466th347th479th144th376th299th
114th
482nd4th745th481st569th
258th
437th
𝑒
309th328th331st488th731st
217th
338th
434th
566th
694th
370th2nd
184th425th120th280th519th
248th
283rd20th329th584th347th334th
505th638th693rd