12 Days of Christmas
451st241st
798th
550th
1,739th650th
2,834th
1,841st225th
271st
188th
29th806th204th
630th53rd
124th263rd1,427th
289th
928th
24 Game
59th
99 Bottles of Beer
895th200th
747th
310th
1,341st
508th
326th
388th164th
166th
113th740th392nd
151st225th
32nd149th115th
73rd
720th
Abundant Numbers
140th990th
878th2,123rd1,442nd2,414th657th1,598th732nd1,071st984th1,183rd
374th1,226th1,221st480th
1,431st2,593rd
833rd55th1,979th415th2,016th
423rd421st
101st1,304th2,545th752nd
1,338th536th1,594th902nd381st
36th322nd1,891st485th
1,631st281st
1,217th
Abundant Numbers (Long)
154th478th
359th589th
603rd
709th1,459th
1,053rd
88th643rd910th966th
800th561st
1,229th99th
419th248th
488th213th
3rd158th383rd1,300th
1,731st127th992nd1,422nd66th
34th404th529th132nd
270th327th
428th
Arabic to Roman
211th285th
614th
865th
24th
227th
81st
328th462nd
632nd
221st373rd
Arithmetic Numbers
124th399th
439th485th
1,095th
625th
180th371st
125th
91st387th415th737th
842nd17th
398th320th872nd
492nd
Arrows
178th148th
224th
458th
131st
176th
223rd143rd
118th
281st
252nd169th53rd167th
358th9th
76th144th416th
84th
Ascending Primes
172nd
320th
973rd
268th
335th
48th356th
75th
432nd
44th
349th
ASCII Table
111th176th
149th
790th
234th
844th
133rd267th
645th
157th
444th210th
56th438th195th
113th128th
115th420th708th
155th
286th
Billiards
290th
17th150th
brainfuck
83rd205th
136th
232nd
472nd
127th
216th
137th
388th120th
94th
332nd
568th37th296th191st
129th25th
23rd163rd368th
135th
Calendar
108th
Card Number Validation
274th245th
449th
495th
48th93rd
148th112th
193rd367th
442nd
28th137th
Catalan Numbers
1st540th
747th
559th
646th
419th618th
393rd
418th773rd
683rd224th455th14th
144th
1,327th615th621st921st
471st30th
115th
120th
565th
Catalan’s Constant
62nd133rd
165th
340th
99th
2nd
64th129th
59th
251st
83rd
Christmas Trees
632nd195th
176th
597th
454th
55th
265th
425th246th
2,106th417th
312th
164th158th448th
880th
633rd269th
101st139th538th
887th
215th
Collatz
78th473rd
649th252nd
599th
1,124th
778th
329th468th643rd
593rd371st
1,127th577th
311th
3rd207th
335th279th302nd502nd
745th227th
326th77th
231st372nd463rd
703rd
479th
Continued Fractions
121st
56th
CSS Colors
608th
297th
83rd
235th1st277th
70th502nd
259th
Cubes
77th
438th
227th
195th
166th
Day of Week
698th
603rd
893rd
440th
474th
339th718th
116th
429th488th1,145th
1st765th68th
580th
844th
458th
DFA Simulator
141st
298th
40th
117th
15th
79th76th
165th3rd
51st
21st
110th
Diamonds
227th148th
110th
404th
280th
81st
398th140th
432nd
549th
511th175th239th579th
187th198th
70th421st660th738th
396th
258th
Divisors
193rd1,414th
2,411th921st1,816th4,492nd981st195th1,471st1,753rd
1,344th
1,061st951st
793rd
2,455th885th
1,166th400th216th1,495th1st815th3,774th151st1,460th
20th294th1,118th1,468th
932nd187th
1,112th37th
29th2,099th1,020th331st
993rd1,334th
761st
Emirp Numbers
705th370th
506th
873rd667th
804th279th208th
703rd
118th
430th739th
841st1,956th51st753rd
901st
561st266th796th259th
819th
138th299th
72nd1,138th731st
497th
610th
Emirp Numbers (Long)
90th
178th
635th
99th
27th302nd
266th
409th101st209th133rd
291st355th
55th584th482nd
326th
Emojify
17th
99th
146th
313th
235th342nd
Evil Numbers
225th1,182nd
859th2,374th824th1,400th835th
1,564th918th1,296th
392nd1,245th
1,273rd
490th1,027th1,694th875th1,800th1,549th2,839th197th2,410th
516th1,382nd
1st1,127th2,610th871st1,288th1,237th1,041st1,980th593rd50th
236th1,182nd1,594th1,519th
2,559th2,399th1,060th
1,174th
Evil Numbers (Long)
87th651st
776th621st1,036th
497th
1,255th
831st
260th561st
1,035th
340th599th1,257th637th1,165th1,010th
88th1,199th
470th1,193rd
1st542nd1,060th823rd1,089th1,103rd614th1,076th453rd126th
110th768th892nd993rd
591st523rd
612th
Factorial Factorisation
18th122nd
73rd
356th
164th98th
306th
3rd117th169th
83rd
162nd115th
14th74th322nd
109th
Farey Sequence
178th301st
194th408th
321st
482nd
340th
187th351st
31st213th
253rd276th344th
82nd
184th3rd
496th443rd77th
381st
Fibonacci
225th2,914th5,727th3,484th1,212th2,784th6,392nd1,948th452nd658th3,773rd5,448th3,621st2,569th395th1,910th1,133rd2,048th
909th1,001st3,680th1,020th1st419th3,225th2,950th2,825th6,847th233rd2,036th5,056th2,079th537th2,652nd2,230th2,808th2,771st388th1,253rd1,236th58th
49th1,217th363rd3,380th
2,513th2,147th2,180th977th8,747th1,932nd
Fizz Buzz
652nd2,080th
642nd4,128th2,133rd2,153rd1,340th2,082nd1,644th3,818th
2,925th1,173rd1,244th1,631st1,719th1,819th8,311th5,101st2,012th
3,648th4,962nd1,284th6,362nd5,560th1,247th700th23rd719th2,717th4,552nd663rd3,819th4,229th
3,814th507th4,517th3,845th619th
465th4,834th2,730th1,873rd
1,593rd1,879th
1,857th
Foo Fizz Buzz Bar
369th501st
969th453rd
869th
1,827th
188th
915th
935th
1,840th512th
2,022nd
1,917th929th
589th212th
443rd906th952nd
1,905th137th806th794th2nd
261st940th1,549th
300th
497th
Forsyth–Edwards Notation
69th291st
133rd
400th
181st
171st176th
73rd201st327th
25th
191st
145th155th30th
80th
Fractions
366th588th
463rd
1,154th
576th
559th
240th553rd
679th
555th
323rd
770th904th636th
415th333rd
143rd451st10th
320th
Game of Life
237th
128th
48th101st350th
Gijswijt’s Sequence
82nd254th
135th162nd
214th
99th
322nd
72nd103rd
68th
57th88th
156th259th234th
161st
114th37th
11th319th126th
312th
Gray Code Decoder
34th252nd
46th
Gray Code Encoder
516th
368th
177th
Happy Numbers
811th925th1,143rd
845th1,421st1,126th1,056th
1,240th309th687th
843rd381st
194th
507th1,015th
636th1,845th
992nd
873rd616th
341st880th937th739th
1,068th1,050th
174th458th
47th651st1,242nd1,393rd
1,705th330th
255th
Happy Numbers (Long)
106th431st
253rd320th
798th
291st
68th851st
270th
189th342nd
136th388th
287th
227th
27th148th609th293rd
927th
238th52nd
10th295th537th
270th
269th
Hexdump
175th
133rd
99th
92nd
321st186th
138th213th282nd
136th20th
67th
480th
74th
Hilbert Curve
129th
Intersection
242nd316th
221st
171st
170th
431st242nd
79th334th331st
661st15th
41st391st401st
214th
Inventory Sequence
28th315th
160th422nd
350th
374th534th
552nd
476th
655th
488th258th
369th
170th68th
41st244th147th274th
490th518th
307th89th
443rd133rd365th
449th
ISBN
12th360th
101st
260th
625th
191st
551st377th
451st
55th190th
2nd126th487th478th
766th
326th6th
221st313th774th
241st
433rd
Jacobi Symbol
189th
335th
502nd
115th
121st
86th
16th
198th
110th282nd378th
431st409th
192nd58th
143rd415th466th
141st
Kaprekar Numbers
173rd
309th
450th
312th
Kolakoski Constant
9th280th
146th
136th
257th
79th
111th
55th
68th
37th
Kolakoski Sequence
29th445th
370th548th1,025th684th
699th
460th
124th578th
315th
298th300th
362nd87th
331st640th
247th569th
1st305th555th442nd
197th320th
272nd150th
216th327th117th
294th
224th
Leap Years
44th810th
1,074th2,389th766th2,162nd648th
501st997th
426th
61st839th727th193rd
205th716th
150th222nd922nd2,267th626th
79th1,381st
417th343rd1,334th1,783rd
45th676th11th613th291st
6th335th1,149th1,056th
1,144th
256th
Levenshtein Distance
657th
74th173rd
59th
443rd
282nd218th1,014th
20th
672nd
407th
118th
919th
Leyland Numbers
492nd
375th661st
1,001st
111th
662nd
163rd
172nd320th
407th
356th306th
564th
156th211th631st
235th4th
232nd291st632nd
212th
ln 2
178th191st
539th
353rd
157th
243rd
275th301st
143rd
369th321st342nd
3rd
201st28th
414th329th182nd
351st
Look and Say
148th341st
215th
571st
326th
525th
377th
220th
435th246th
638th254th
213th
151st
41st197th328th242nd
54th
337th437th
65th182nd125th
240th
241st
Lucky Numbers
12th241st
185th99th
87th
192nd
224th
66th218th
212th
149th166th
114th
254th
55th157th
182nd277th
4th193rd129th376th
250th402nd190th13th
57th215th173rd
152nd
Lucky Tickets
215th182nd
174th
416th
128th
206th
236th195th
63rd
182nd136th283rd
146th9th
60th168th305th
180th
Mahjong
21st
Maze
79th
Medal Tally
213th
132nd
184th
169th
134th143rd
120th
236th85th182nd
194th49th
16th93rd323rd
197th
Minesweeper
131st
Morse Decoder
39th
337th
125th
387th
147th
77th81st247th
156th84th
52nd75th285th
218th
Morse Encoder
49th
520th
211th
112th
140th
152nd
163rd
37th100th378th
Multitap Input
87th
58th
Musical Chords
278th
N Queens
43rd
11th
Niven Numbers
225th1,082nd1,877th337th1,202nd580th2,324th849th960th1,034th1,603rd1,314th390th
294th938th
811th
1,470th2,364th1,440th997th1,810th339th3,156th1,654th1,273rd3,107th75th1,313th1,171st468th368th553rd1,041st1,259th217th670th596th834th231st
57th1,188th1,855th410th
1,013th793rd1,398th
739th
Niven Numbers (Long)
909th763rd1,699th1,588th516th631st
700th310th680th1,070th
192nd
154th1,347th
410th
396th650th988th899th1,090th927th
246th379th1,874th338th531st173rd2nd692nd556th675th759th
1,223rd495th35th
22nd648th74th487th
549th449th941st
1,270th
Number Spiral
168th
277th
218th
323rd
429th
35th
2nd
601st231st
24th
505th
Odious Numbers
155th904th
310th1,867th826th1,341st614th
1,376th780th1,056th
241st1,250th
871st
1,028th844th
1,214th1,278th2,460th156th1,632nd
388th1,245th
1st674th756th704th858th1,174th767th2,048th445th49th
193rd1,320th1,405th1,181st
2,415th2,198th1,289th
773rd
Odious Numbers (Long)
135th617th
283rd585th1,005th
556th
1,004th
672nd
212th589th
946th
287th541st1,072nd575th936th922nd
136th1,249th
242nd1,027th
1st466th719th853rd708th1,053rd1,261st909th400th47th
160th1,044th844th923rd
531st1,011th
555th
Ordinal Numbers
152nd439th
498th
1,152nd
824th
527th
506th503rd
551st
609th372nd
592nd852nd
446th
99th853rd
42nd177th570th738th
153rd951st
487th201st
112th402nd407th
2nd
409th
643rd
PalindromemordnilaP
193rd269th
450th
381st
221st77th
93rd
275th330th
39th104th86th
145th
Pangram Grep
486th808th
1,385th392nd
1,397th
579th
378th796th
111th
1,128th557th
292nd482nd691st
747th
605th
98th623rd176th607th
423rd9th
271st488th233rd
737th
659th
Partition Numbers
16th232nd
162nd
58th
Pascal’s Triangle
149th521st
345th
2,162nd
1,030th
808th
515th1,087th
942nd
908th673rd
603rd
1st906th
388th245th
1st215th671st549th
336th57th
79th571st442nd
478th
861st
Pernicious Numbers
253rd1,113th623rd394th800th492nd1,888th503rd362nd565th917th1,086th997th
254th844th
771st
1,153rd891st1,145th709th1st1,617th1,417th128th1,376th2,109th179th1,391st788th29th415th540th901st864th225th306th155th757th43rd
114th1,045th525th437th
1,821st882nd611th929th
657th
Pernicious Numbers (Long)
137th453rd
493rd346th
392nd
409th
74th
144th692nd
1st770th
829th
237th180th349th387th
200th40th
37th384th310th
633rd
Poker
83rd
Prime Numbers
380th1,138th
1,519th1,719th1,125th2,415th536th
1,260th992nd1,161st
1,596th1,242nd
617th
254th1,985th2,079th
1,796th345th3,705th1st567th
181st2,128th
1st395th1,667th1,617th
326th1,247th
591st123rd
227th1,302nd1,311th942nd
1,808th2,508th916th
633rd
Prime Numbers (Long)
333rd1,241st
1,005th952nd
935th
1,266th
616th
503rd891st
680th
178th1,063rd1,238th
1,430th976th
1st685th
1,079th1,129th1,008th1st528th639th947th
1,045th
782nd113th
173rd1,351st337th457th
774th
578th
Proximity Grid
305th
QR Decoder
141st
Quine
1st1,609th4,187th281st3,061st3,299th2,215th4,416th1,545th4,215th3,065th3,668th3,034th665th1,728th1,951st
1,832nd4,158th4,049th629th
3,564th749th2,071st
1,966th3,939th250th1,732nd1,481st
1,356th1,771st1,974th1,809th559th3,086th4,057th1,917th171st
617th2,493rd486th3,612th3,404th1,857th2,321st1,794th5,203rd
2,323rd
Recamán
48th375th
202nd306th
322nd
511th
59th316th
211th
133rd295th
215th
155th
24th211th
120th86th141st392nd
562nd193rd
312th6th
22nd173rd40th
372nd
138th
Repeating Decimals
52nd
116th
273rd
76th122nd143rd
102nd14th
1st131st107th
98th
Reverse Polish Notation
138th410th
249th
257th
345th185th
1st
487th
222nd
508th97th167th380th
157th
293rd76th
578th288th706th
246th
Reversi
311th
39th
191st
222nd
103rd
206th44th
25th
197th
81st
Rijndael S-box
342nd
393rd
70th
71st327th
228th
304th
43rd
Rock-paper-scissors-Spock-lizard
41st
954th
120th
139th
430th124th
49th232nd
128th56th
22nd
706th
280th
Roman to Arabic
463rd
997th
278th
141st
73rd
412th
845th451st
433rd
373rd24th
410th
486th
276th
ROT13
144th583rd
301st
310th
302nd400th
Rule 110
88th146th
156th
558th
310th
108th
123rd176th
344th
96th334th153rd
721st
101st50th
157th133rd40th
159th
Scrambled Sort
226th
187th219th
Set
321st
123rd
258th
Seven Segment
98th171st
264th
509th
187th
137th
260th157th
67th209th230th
259th
418th49th
38th489th
479th
Sierpiński Triangle
38th192nd
424th
326th
378th
417th
216th
163rd179th
529th
330th373rd267th
392nd
325th155th
6th345th403rd
Smith Numbers
33rd
308th
125th
145th
65th
258th304th
13th260th
231st
222nd103rd373rd154th
218th41st
15th98th357th
54th
Spelling Numbers
199th
259th1st
171st221st
123rd
297th
254th203rd
79th
152nd
Star Wars GPT
51st
161st
Star Wars Opening Crawl
283rd
26th
250th
Sudoku
46th
Sudoku (Fill-in)
38th
Ten-pin Bowling
271st
362nd
91st
392nd
262nd
243rd
183rd141st100th
133rd53rd
18th
Tic-tac-toe
195th
364th
44th
212th
Time Distance
164th
303rd
46th
89th
51st210th201st
102nd115th
392nd
Tongue-twisters
1,137th
424th
306th
1,090th132nd
115th
688th
240th
767th
68th
Topological Sort
54th
16th
143rd
54th
Tower of Hanoi
29th748th
200th
306th
361st239th405th
Transpose Sentence
247th307th
540th
342nd
150th
171st319th
597th486th
83rd310th419th
422nd
Trinomial Triangle
25th301st
United States
213th
420th
507th
433rd
220th
108th
179th459th9th385th
400th
Vampire Numbers
93rd
31st
207th217th
310th
190th
252nd
165th38th
11th
391st
168th
Van Eck Sequence
35th359th
242nd490th
389th
315th
108th340th469th232nd
267th326th
1st678th
425th
76th138th
393rd128th356th534th
75th83rd
187th13th
93rd265th62nd
306th
192nd
Zeckendorf Representation
56th246th
242nd
148th
107th
306th257th
153rd23rd
39th124th356th
203rd
Zodiac Signs
39th
146th
92nd121st
92nd143rd187th
107th
339th
100th
γ
1st
λ
698th
338th
29th
π
321st69th
434th
478th
523rd
492nd292nd
347th
275th274th
553rd558th
167th
302nd
7th
257th242nd278th
167th
127th84th
468th291st414th
287th
τ
271st102nd
399th
436th
461st
446th
383rd
228th272nd
491st507th
238th
179th
15th
267th263rd279th
131st
119th62nd
303rd289th360th
298th
φ
258th310th
434th
781st
295th
453rd677th
359th
384th418th
682nd241st
177th
1,103rd204th
219th
430th379th419th
47th
259th14th
8th415th326th
392nd
√2
274th292nd
523rd
619th
354th
313th764th
407th
441st471st
765th277th
398th
443rd
145th
414th426th470th
115th
289th4th
141st457th384th
263rd
𝑒
416th276th
532nd
1,400th
388th
296th766th
347th
488th415th
884th447th
240th
186th
122nd534th502nd490th610th
250th
289th21st
173rd425th177th
386th