12 Days of Christmas
451st241st
799th
551st
1,740th651st
2,835th
1,841st225th
271st
188th
29th807th204th
631st53rd
124th263rd1,428th
289th
929th
24 Game
57th
99 Bottles of Beer
895th187th
748th
310th
1,343rd
506th
327th
383rd161st
166th
113th741st393rd
151st227th
32nd149th117th
73rd
721st
Abundant Numbers
140th991st
879th2,124th1,444th2,415th657th1,600th732nd1,072nd985th1,185th
374th1,228th1,223rd480th
1,433rd2,594th
834th55th1,980th415th2,017th
423rd421st
101st1,306th2,546th752nd
1,340th536th1,596th903rd381st
36th322nd1,893rd485th
1,633rd281st
1,219th
Abundant Numbers (Long)
154th478th
359th589th
603rd
709th1,460th
1,053rd
88th643rd910th966th
800th561st
1,230th99th
419th248th
488th213th
3rd158th383rd1,300th
1,731st127th992nd1,423rd66th
34th404th529th132nd
270th327th
428th
Arabic to Roman
211th286th
614th
865th
24th
227th
81st
329th459th
632nd
221st372nd
Arithmetic Numbers
124th399th
439th485th
1,096th
626th
180th371st
125th
91st387th415th738th
843rd17th
398th320th873rd
492nd
Arrows
179th151st
226th
459th
134th
177th
225th145th
119th
281st
252nd170th53rd168th
355th9th
77th148th417th
84th
Ascending Primes
172nd
320th
973rd
268th
335th
48th356th
75th
432nd
44th
349th
ASCII Table
112th176th
149th
791st
234th
845th
133rd267th
646th
157th
445th210th
57th439th195th
114th128th
116th421st709th
155th
286th
Billiards
290th
17th149th
brainfuck
83rd205th
136th
231st
472nd
127th
216th
137th
387th120th
94th
332nd
569th37th296th191st
129th25th
24th163rd367th
135th
Calendar
112th
Card Number Validation
275th246th
450th
496th
48th94th
148th112th
194th368th
443rd
28th137th
Catalan Numbers
1st540th
748th
559th
647th
419th619th
393rd
418th774th
684th224th455th14th
144th
1,327th616th622nd921st
471st30th
115th
120th
565th
Catalan’s Constant
63rd134th
166th
340th
100th
2nd
65th130th
60th
251st
84th
Christmas Trees
632nd196th
177th
597th
454th
55th
265th
425th246th
2,106th417th
312th
165th159th448th
881st
633rd269th
102nd140th538th
888th
216th
Collatz
78th474th
650th252nd
600th
1,126th
779th
329th469th644th
594th371st
1,129th578th
311th
3rd207th
335th279th302nd503rd
746th221st
326th77th
231st372nd464th
704th
480th
Continued Fractions
121st
55th
CSS Colors
609th
298th
84th
236th1st278th
71st503rd
260th
Cubes
76th
438th
228th
195th
166th
Day of Week
698th
603rd
894th
440th
474th
339th718th
116th
429th489th1,147th
1st766th68th
580th
846th
458th
DFA Simulator
141st
299th
41st
117th
16th
79th76th
166th3rd
52nd
22nd
110th
Diamonds
228th148th
110th
405th
281st
81st
399th140th
433rd
549th
511th176th240th579th
188th199th
70th422nd660th738th
397th
259th
Divisors
193rd1,414th
2,413th921st1,818th4,494th981st195th1,472nd1,755th
1,344th
1,061st951st
793rd
2,457th885th
1,166th400th216th1,497th1st815th3,776th151st1,461st
20th294th1,118th1,469th
932nd187th
1,112th37th
29th2,101st1,020th331st
993rd1,334th
761st
Emirp Numbers
705th370th
506th
873rd667th
804th279th208th
703rd
118th
430th739th
841st1,956th51st753rd
902nd
561st266th796th259th
819th
138th299th
72nd1,138th731st
497th
610th
Emirp Numbers (Long)
90th
178th
636th
99th
27th303rd
267th
410th101st209th133rd
292nd356th
55th585th483rd
327th
Emojify
17th
99th
146th
313th
233rd342nd
Evil Numbers
226th1,183rd
860th2,375th825th1,401st836th
1,565th919th1,297th
393rd1,246th
1,274th2,758th491st1,029th1,696th876th1,802nd1,550th2,841st198th2,411th
517th1,383rd
1st1,129th2,611th872nd1,289th1,238th1,043rd1,982nd594th51st
237th1,183rd1,595th1,520th
2,560th2,400th1,062nd
1,175th
Evil Numbers (Long)
88th653rd
778th623rd1,039th
499th
1,257th
833rd
262nd563rd
1,038th905th342nd602nd1,259th639th1,168th1,013th
89th1,202nd
472nd1,196th
1st544th1,063rd825th1,092nd1,106th616th1,079th455th127th
111th770th894th996th
594th525th
614th
Factorial Factorisation
18th122nd
73rd
356th
165th98th
306th
3rd117th170th
83rd
162nd115th
14th74th322nd
109th
Farey Sequence
179th301st
195th408th
321st
482nd
340th
188th351st
31st214th
253rd276th344th
82nd
185th3rd
496th443rd77th
381st
Fibonacci
225th2,919th5,731st3,488th1,213th2,788th6,398th1,955th452nd658th3,777th5,452nd3,625th2,573rd395th1,913th1,134th2,051st1,101st909th1,001st3,684th1,020th1st419th3,230th2,955th2,829th6,853rd233rd2,039th5,060th2,082nd537th2,656th2,233rd2,812th2,775th388th1,254th1,237th58th
49th1,218th363rd3,384th
2,517th2,150th2,183rd977th8,755th1,935th
Fizz Buzz
652nd2,062nd
642nd4,125th2,115th2,135th1,339th2,064th1,623rd3,817th
2,923rd1,176th1,243rd1,610th1,698th1,797th8,313th5,103rd1,994th
3,647th4,965th1,283rd6,362nd5,561st1,246th700th23rd719th2,720th4,554th663rd3,818th4,232nd
3,813th507th4,519th3,844th619th
465th4,835th2,733rd1,851st
1,572nd1,857th
1,835th
Foo Fizz Buzz Bar
370th502nd
971st454th
870th
1,828th
189th
917th
937th
1,841st513th
2,023rd
1,918th931st
590th213th
444th908th954th
1,906th138th807th795th2nd
262nd942nd1,550th
301st
498th
Forsyth–Edwards Notation
69th289th
134th
398th
181st
171st176th
73rd201st327th
25th
191st
146th156th30th
80th
Fractions
366th589th
463rd
1,156th
577th
560th
240th554th
680th
556th
323rd
772nd906th637th
415th333rd
143rd451st10th
320th
Game of Life
237th
128th
48th101st350th
Gijswijt’s Sequence
83rd254th
136th163rd
213th
100th
322nd
73rd104th
69th
58th108th
157th259th233rd
162nd
116th37th
11th319th128th
312th
Gray Code Decoder
34th253rd
46th
Gray Code Encoder
516th
369th
178th
Happy Numbers
811th925th1,144th
845th1,422nd1,127th1,057th
1,241st309th687th
843rd381st
194th
507th1,016th
636th1,845th
993rd
873rd616th
341st880th938th739th
1,069th1,051st
174th458th
47th651st1,243rd1,394th
1,705th330th
255th
Happy Numbers (Long)
106th432nd
253rd320th
799th
291st
68th852nd
270th
189th342nd
136th388th
287th
227th
27th148th610th293rd
928th
238th52nd
10th295th538th
270th
269th
Hexdump
175th
133rd
99th
92nd
321st186th
139th213th282nd
136th20th
67th
481st
74th
Hilbert Curve
130th
Intersection
243rd318th
222nd
171st
170th
433rd243rd
79th337th334th
663rd15th
41st393rd403rd
215th
Inventory Sequence
28th315th
160th422nd
350th
374th534th
552nd
476th
655th
488th258th
369th
170th68th
41st244th147th274th
490th518th
307th89th
443rd133rd365th
449th
ISBN
12th360th
101st
673rd
260th
629th
191st
552nd377th
451st
55th190th
2nd127th488th479th
770th
328th6th
222nd313th778th
241st
433rd
Jacobi Symbol
192nd
336th
503rd
117th
123rd
86th
16th
201st
112th283rd379th
432nd410th
195th57th
146th416th467th
144th
Kaprekar Numbers
173rd
309th
450th
312th
Kolakoski Constant
9th280th
147th
137th
257th
79th
111th
55th
68th
37th
Kolakoski Sequence
29th445th
370th548th1,025th684th
699th
460th
125th570th
315th
299th301st
362nd88th
331st640th
249th569th
1st305th555th442nd
198th320th
278th151st
218th327th118th
295th
226th
Leap Years
44th811th
1,075th2,397th767th2,165th649th
502nd998th
427th
61st835th728th193rd
205th717th
150th222nd923rd2,273rd627th
79th1,383rd
418th344th1,336th1,786th
45th677th11th614th292nd
6th336th1,150th1,057th
1,145th
257th
Levenshtein Distance
658th
74th172nd
59th
443rd
282nd218th1,015th
20th
673rd452nd
407th
118th
920th
Leyland Numbers
492nd
375th661st
1,001st
111th
662nd
163rd
172nd320th
407th
356th306th
564th
156th211th631st
235th4th
232nd291st632nd
212th
ln 2
178th191st
540th
353rd
157th
243rd
276th302nd
143rd
369th321st342nd
3rd
201st28th
414th329th182nd
351st
Look and Say
148th341st
215th
572nd
326th
526th
377th
220th
435th246th
639th254th
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
212th
132nd
183rd
168th
134th142nd
120th
236th85th180th
193rd49th
16th93rd323rd
196th
Minesweeper
131st
Morse Decoder
39th
336th
126th
387th
149th
77th81st247th
158th84th
52nd75th285th
218th
Morse Encoder
49th
520th
211th
113th
140th
153rd
164th
37th101st378th
Multitap Input
87th
58th
Musical Chords
278th
N Queens
41st
10th
Niven Numbers
225th1,082nd1,879th337th1,202nd580th2,326th851st960th1,034th1,604th1,314th390th
294th938th
811th1,452nd1,471st2,366th1,440th997th1,811th339th3,158th1,655th1,273rd3,109th75th1,313th1,171st468th368th553rd1,041st1,259th217th670th596th836th231st
57th1,188th1,856th410th
1,013th793rd1,398th
739th
Niven Numbers (Long)
910th764th1,701st1,590th516th631st
701st310th681st1,071st
192nd
154th1,349th
410th671st396th650th989th900th1,091st928th
246th379th1,876th338th537th173rd2nd693rd556th676th760th
1,225th495th35th
22nd648th74th487th
549th449th942nd
1,272nd
Number Spiral
168th
277th
218th
323rd
429th
35th
2nd
601st231st
24th
505th
Odious Numbers
156th905th
311th1,867th827th1,342nd615th
1,377th781st1,058th
242nd1,252nd
872nd2,369th1,030th845th
1,216th1,279th2,461st157th1,633rd
389th1,247th
1st675th757th705th859th1,176th768th2,048th446th50th
194th1,321st1,406th1,183rd
2,416th2,198th1,290th
774th
Odious Numbers (Long)
136th618th
284th586th1,005th
557th
1,004th
673rd
213th590th
947th
288th542nd1,072nd576th937th923rd
137th1,249th
243rd1,027th
1st467th720th854th709th1,053rd1,261st910th401st48th
161st1,044th845th924th
532nd1,011th
556th
Ordinal Numbers
153rd449th
503rd
1,157th
830th
532nd
511th509th
556th
613th383rd
591st856th
720th
99th857th
42nd178th573rd1,012th
154th956th
489th204th
113th412th417th
2nd
419th
645th
PalindromemordnilaP
194th270th
452nd
382nd
222nd77th
93rd
276th331st
39th104th86th
146th
Pangram Grep
487th810th
1,386th393rd
1,398th
581st
378th798th
111th
1,130th559th
293rd483rd693rd
749th
607th
98th625th176th609th
424th9th
272nd489th233rd
739th
661st
Partition Numbers
16th233rd
163rd
59th
Pascal’s Triangle
149th522nd
345th
2,164th
1,031st
809th
516th1,089th
943rd
909th674th
604th
1st907th
388th245th
1st215th672nd550th
336th57th
79th572nd442nd
479th
862nd
Pernicious Numbers
253rd1,114th623rd394th812th492nd1,889th503rd362nd565th918th1,087th998th
254th845th
771st798th1,154th892nd1,146th709th1st1,618th1,418th128th1,377th2,110th179th1,392nd788th29th415th540th902nd865th225th306th155th757th43rd
114th1,046th525th437th
1,822nd883rd611th930th
657th
Pernicious Numbers (Long)
137th453rd
493rd346th
392nd
409th
74th
144th692nd
1st770th
829th
237th180th349th387th
200th40th
37th384th310th
633rd
Poker
83rd
Prime Numbers
380th1,139th
1,519th1,719th1,126th2,416th536th
1,260th993rd1,162nd
1,596th1,242nd
617th
254th1,985th2,079th
1,796th345th3,705th1st567th
181st2,128th
1st395th1,667th1,617th
326th1,247th
591st123rd
227th1,302nd1,311th943rd
1,808th2,509th917th
633rd
Prime Numbers (Long)
333rd1,241st
1,005th952nd
935th
1,266th
616th
503rd891st
680th
178th1,063rd1,238th
1,431st976th
1st685th
1,079th1,129th1,008th1st528th639th947th
1,045th
782nd113th
173rd1,352nd337th457th
774th
578th
Proximity Grid
303rd
QR Decoder
141st
Quine
1st1,611th4,192nd282nd3,068th3,305th2,219th4,421st1,547th4,220th3,072nd3,674th3,041st666th1,731st1,954th
1,835th4,163rd4,054th630th
3,570th750th2,075th
2,006th3,944th251st1,735th1,483rd
1,358th1,774th1,969th1,812th560th3,093rd4,062nd1,920th172nd
618th2,500th487th3,618th3,410th1,860th2,325th1,797th5,207th
2,327th
Recamán
48th375th
202nd306th
322nd
511th
59th316th
211th
133rd295th
215th
155th
24th211th
120th86th141st392nd
563rd193rd
312th6th
22nd173rd40th
372nd
138th
Repeating Decimals
52nd
116th
273rd
76th122nd144th
102nd14th
1st131st107th
98th
Reverse Polish Notation
138th412th
249th
258th
347th185th
1st
489th
222nd
510th97th167th382nd
157th
294th76th
578th289th706th
246th
Reversi
311th
39th
191st
222nd
103rd
206th44th
25th
197th
81st
Rijndael S-box
342nd
393rd
70th
71st327th
229th
304th
43rd
Rock-paper-scissors-Spock-lizard
41st
953rd
120th
139th
430th124th
49th232nd
128th56th
23rd
705th
280th
Roman to Arabic
463rd
997th
278th
141st
73rd
412th
845th451st
433rd
373rd24th
410th
486th
276th
ROT13
147th584th
303rd
313th
304th402nd
Rule 110
89th146th
156th
558th
310th
108th
123rd176th
344th
97th334th153rd
721st
101st51st
157th133rd41st
159th
Scrambled Sort
229th
190th222nd
Set
322nd
123rd
259th
Seven Segment
95th169th
262nd
508th
185th
134th
258th154th
67th206th227th
257th
416th49th
38th486th
476th
Sierpiński Triangle
38th195th
425th
327th
378th
418th
218th
166th182nd
529th
331st373rd269th
393rd
326th156th
6th346th404th
Smith Numbers
33rd
309th
125th
146th
65th
259th305th
13th261st
231st
222nd103rd374th155th
218th41st
15th98th358th
54th
Spelling Numbers
201st
261st1st
173rd223rd
124th
298th
255th205th
80th
153rd
Star Wars GPT
51st
161st
Star Wars Opening Crawl
283rd
26th
248th
Sudoku
46th
Sudoku (Fill-in)
38th
Taxicab Numbers
13th
Ten-pin Bowling
272nd
365th
91st
395th
264th
245th
184th141st100th
133rd53rd
18th
Tic-tac-toe
194th
365th
44th
212th
Time Distance
164th
304th
45th
90th
50th210th201st
102nd115th
393rd
Tongue-twisters
1,137th
424th
306th
1,090th132nd
115th
688th
240th
767th
68th
Topological Sort
54th
16th
143rd
54th
Tower of Hanoi
29th750th
200th
306th
361st239th405th
Transpose Sentence
247th308th
542nd
343rd
151st
172nd320th
599th488th
83rd311th421st
424th
Trinomial Triangle
25th302nd
United States
214th
422nd
509th
435th
221st
109th
180th461st9th387th
402nd
Vampire Numbers
94th
32nd
207th217th
311th
190th
252nd
165th39th
12th
393rd
168th
Van Eck Sequence
35th359th
242nd490th
389th
315th
108th340th469th232nd
267th326th
1st679th
425th
76th138th
393rd128th356th534th
75th83rd
187th13th
93rd265th62nd
306th
192nd
Zeckendorf Representation
57th247th
243rd
149th
108th
305th257th
154th24th
39th125th355th
204th
Zodiac Signs
39th
146th
92nd121st
92nd143rd188th
107th
340th
100th
γ
1st
λ
698th
338th
29th
π
321st69th
434th
478th
523rd
493rd292nd
347th
275th274th
553rd558th
167th
302nd
7th
257th242nd278th
167th
127th84th
468th291st414th
287th
τ
271st102nd
400th
436th
461st
446th
384th
228th272nd
492nd508th
238th
179th
15th
267th263rd279th
131st
119th62nd
303rd289th361st
298th
φ
258th310th
434th
781st
295th
453rd677th
359th
384th418th
682nd241st
177th
1,103rd204th
219th
430th379th419th
48th
259th14th
8th415th326th
392nd
√2
274th292nd
523rd
620th
354th
313th764th
407th
441st471st
765th277th
398th
443rd
145th
414th426th470th
115th
289th4th
141st457th384th
263rd
𝑒
416th276th
534th
1,401st
388th
296th766th
347th
489th415th
884th447th
240th
186th
122nd536th504th491st610th
250th
289th21st
173rd425th177th
386th