12 Days of Christmas
231st
32nd
613th
601st
790th
1,269th
249th
1,381st
55th
83rd
24 Game
188th
210th
56th
98th
318th
99 Bottles of Beer
107th
989th
326th
926th
597th
2,187th
475th
915th
Abundant Numbers
986th
1,396th
272nd568th
440th
1,423rd
1,011th
376th165th
2,012th
297th
1,856th
1,578th
1,797th
2,469th876th341st
1,098th
Abundant Numbers (Long)
483rd
289th
986th
601st
1,463rd
564th
583rd217th
249th682nd
76th
1,189th
1,251st
939th715th889th
1,225th
Arabic to Roman
550th
463rd
149th
24th314th
262nd956th291st270th78th
378th
300th
246th
1,001st228th
451st217th277th250th
831st
806th382nd
474th112th
203rd
263rd
Arithmetic Numbers
230th643rd
947th
269th
287th
357th
256th
112th847th
133rd
663rd
528th328th
Arrows
135th
624th
298th140th
130th
195th
169th
123rd
456th141st
87th
286th
109th
443rd
151st
556th
149th
Ascending Primes
237th241st
265th
240th
373rd
581st
490th
119th296th
116th
390th
260th
320th
143rd
110th
ASCII Table
205th512th
96th
69th
339th
182nd
396th
64th790th145th
188th
393rd198th269th126th
617th
142nd341st
261st
100th
Billiards
115th140th
138th
32nd
194th123rd
69th
259th126th
89th
45th
36th
200th72nd64th97th
237th
240th96th
196th
brainfuck
303rd
725th
182nd
272nd
1,162nd
428th
143rd
185th
584th
370th
439th
895th
537th
299th
112th
Calendar
109th
168th
76th
277th63rd
93rd100th86th87th
69th
59th
94th68th
64th84th80th
104th
74th
2nd
269th
231st
75th107th
Card Number Validation
177th214th
85th
120th
121st
204th212th148th218th451st194th
107th
62nd182nd
143rd128th82nd
65th69th278th193rd165th
410th
308th168th
654th
111th
187th
Catalan Numbers
540th
371st
327th312th
921st285th547th377th775th
784th554th
420th209th
1,033rd
146th
930th
35th
122nd
536th
625th
610th
Catalan’s Constant
268th
182nd
200th
2nd
266th
369th
Christmas Trees
229th
933rd
690th55th
945th
178th
109th
258th
166th
569th
947th
1,640th
1,090th340th
Collatz
467th
249th
497th
374th
1,499th
2,369th
633rd
380th
497th
40th
484th381st1,028th
1,507th
1,255th
344th403rd
1,536th580th
Continued Fractions
111th141st
89th
57th
143rd76th
128th148th129th125th
83rd
61st116th
107th127th98th
93rd69th122nd153rd158th
119th
279th
226th135th
134th
137th
152nd
CSS Colors
516th
538th
276th
81st
369th
563rd
250th533rd
1st
449th
290th
517th
Cubes
76th
581st
319th
27th
67th
21st
29th
559th
42nd
101st
Day of Week
730th724th651st
924th622nd
206th
499th897th598th489th
521st763rd1,031st505th337th
380th
406th
572nd282nd115th354th
399th426th412th670th575th
235th1st
67th
929th956th
706th
471st
450th545th
DFA Simulator
176th
99th
77th
254th
90th142nd140th
182nd
47th
108th69th
118th260th68th134th
169th
340th
289th126th
93rd244th
227th
Diamonds
145th270th
114th
116th
164th
489th
283rd
123rd
268th199th208th206th
1,179th
1,008th
154th
309th
Divisors
1,069th1,215th
2,502nd
1,307th
1,544th1,055th
835th
1,221st
2,739th1,463rd
3,447th1,247th1,343rd748th215th
815th1,509th
2,077th
292nd755th1,465th1,152nd
2,420th
36th
3,497th1,516th329th1,095th
2,074th
2,362nd
963rd
Emirp Numbers
355th377th
634th
173rd
233rd
426th
211th
790th
736th494th
626th
400th
1,349th
833rd264th
467th
Emirp Numbers (Long)
148th
347th
290th
319th
335th
112th
239th
258th
759th
562nd
145th
93rd
Emojify
114th
127th
207th
131st
185th
62nd
132nd198th
261st
147th151st
120th
145th
407th
76th
Evil Numbers
1,177th1,005th
822nd
1,397th
468th648th
860th2,219th491st2,897th
676th
1,034th1,542nd
1,547th2,405th
1st
813th
1,279th1,282nd
3,213th
50th
658th436th
1,253rd
1,063rd
1,056th2,431st
Evil Numbers (Long)
864th
1,035th
416th
369th504th
903rd
339th
633rd
724th
1,264th
1st
1,057th
1,783rd
125th
992nd440th
550th
887th
Factorial Factorisation
116th
403rd
188th
302nd
55th
70th
359th
169th
Farey Sequence
291st
119th
241st
316th402nd515th
268th
510th
192nd
247th440th390th407th
463rd
587th
213th
369th
634th
Fibonacci
2,560th2,594th3,598th5,756th
1,222nd
1,944th451st656th4,367th2,325th3,566th1,007th5,117th1,907th1,127th2,464th2,618th1,096th4,777th4,526th
3,937th1,016th1st2,103rd418th
6,527th1,940th494th232nd8,702nd5,739th2,071st3,440th536th2,600th2,222nd2,797th7,771st4,606th
56th
3,776th6,096th742nd2,140th8,239th2,509th3,459th3,436th973rd9,469th3,015th4,891st
Fizz Buzz
1,897th1,999th
1,480th
2,128th
3,578th3,365th1,998th
2,144th
5,423rd5,268th7,837th2,201st
2,855th5,311th1,252nd2,715th
8,217th2,143rd587th23rd
3,812th1,650th
3,184th
506th
10,056th2,321st
2,725th7,658th2,076th
1,945th
3,665th
2,195th
Foo Fizz Buzz Bar
499th959th
1,884th1,386th385th
1,364th
2,355th
1,529th
311th
789th
568th
911th
139th
1,107th
1,910th645th
1,522nd
Forsyth–Edwards Notation
193rd229th
228th
100th
236th49th
124th632nd130th274th353rd320th
363rd
87th
118th106th
338th120th171st249th
227th
503rd
146th284th422nd421st533rd165th
508th
283rd267th
Fractions
466th486th
260th651st250th342nd
289th1,345th604th
227th
238th
296th
375th
174th
310th408th564th650th
1,418th
96th
10th
336th
980th
815th
512th
Game of Life
133rd154th167th
91st100th
58th
95th42nd
140th15th139th103rd107th136th
195th298th36th63rd
78th153rd59th
101st47th66th102nd115th
37th
360th
433rd
286th124th
338th
70th137th
114th
Gijswijt’s Sequence
483rd
243rd269th
154th482nd126th
41st
253rd
112th85th287th
595th
105th
48th
Gray Code Decoder
218th229th
260th
139th
162nd310th421st214th130th183rd145th
120th16th176th170th
107th67th331st
1st88th117th111th206th228th
93rd
357th
156th210th
250th128th
149th
Gray Code Encoder
486th462nd
321st
154th
319th444th281st114th
259th568th310th329th273rd
224th189th220th366th
449th169th82nd
181st1st236th336th290th471st438th16th200th
378th
57th293rd436th
246th203rd
521st
Happy Numbers
1,001st483rd
622nd
244th
286th
503rd1,161st
470th435th820th411th
983rd484th
340th
1,020th1,014th767th
515th
827th766th
478th
797th
Happy Numbers (Long)
307th408th
320th
713th
261st
339th
462nd564th223rd137th
599th
27th
653rd
528th
312th
815th
1,117th
299th
766th
Hexdump
190th184th
97th
77th
165th249th
134th523rd152nd127th368th
237th
65th
114th76th
197th66th102nd145th154th
182nd
130th
270th
422nd
366th268th
Hilbert Curve
144th
83rd
38th
Intersection
303rd293rd
90th
130th
241st
267th
362nd58th
110th
641st346th530th152nd
678th
800th
227th
168th
94th
Inventory Sequence
401st313th
290th
116th
657th
181st
275th
150th
265th
510th359th145th656th
340th
533rd253rd
654th
ISBN
340th348th
629th253rd
190th
108th
158th990th273rd545th643rd256th642nd
227th929th174th147th
226th303rd
351st263rd599th89th192nd287th
416th
844th
221st
556th334th
502nd
207th309th
235th
Jacobi Symbol
128th
143rd
209th
124th
16th
142nd
369th
183rd428th120th
433rd
288th
74th
Kaprekar Numbers
138th296th
269th
108th
41st
157th
287th
268th
139th
Kolakoski Constant
270th
154th
368th
182nd
Kolakoski Sequence
726th
725th
870th
975th
394th92nd
749th
1st
917th
399th
763rd
Leap Years
636th
770th
867th
939th
527th737th
498th
2,106th
203rd
915th
248th217th
631st637th77th
342nd3,131st1,782nd
1,049th
287th
3,445th
428th
Levenshtein Distance
342nd195th
230th
509th74th
374th
59th
215th237th
274th
475th
229th155th185th
19th
886th483rd
607th117th316th298th
529th169th163rd
564th
Leyland Numbers
298th515th
497th
270th
326th
617th
141st190th
163rd619th
596th
395th
4th
263rd
337th
177th
ln 2
178th
352nd204th75th
471st404th344th431st550th
634th
244th219th
82nd
28th
696th
255th
227th
Look and Say
325th
390th
147th
200th70th
224th144th303rd
484th
593rd
163rd453rd
171st483rd85th449th
166th135th166th481st
583rd
763rd
307th
182nd469th
512th
Lucky Numbers
253rd
265th
167th
318th
115th232nd164th
266th783rd
274th103rd
332nd
144th288th
170th
149th
205th
753rd
Lucky Tickets
178th238th
129th
126th
174th
107th113th
145th
144th
167th
9th
257th
89th
Mahjong
194th45th
89th
17th
11th
66th
56th
38th
309th
69th
Mandelbrot
110th
188th
260th
256th
74th
105th48th
132nd463rd347th122nd187th147th
118th
54th
128th201st
197th58th76th214th175th
239th
365th
98th123rd
129th103rd
194th255th
Maze
125th173rd
67th
94th250th
242nd
49th195th
61st
121st
104th
357th
332nd
107th
81st
Medal Tally
142nd193rd
58th
173rd
177th228th124th
33rd
86th
72nd134th
296th
342nd
115th
250th
293rd
Minesweeper
114th149th89th
99th
47th
132nd30th
85th
107th24th52nd58th
73rd192nd48th172nd
65th40th136th
36th60th71st93rd
50th
257th
95th
87th
92nd
Morse Decoder
117th
48th
60th
88th
74th
43rd
90th130th
138th284th
97th
278th
208th105th
106th
147th
Morse Encoder
306th
117th
106th
271st
85th
131st
292nd
95th
125th
107th
Multitap Input
83rd
108th
54th
105th21st
103rd46th101st104th
90th
67th120th
81st69th24th162nd
73rd76th63rd106th
70th
226th
122nd
150th118th
82nd85th
109th
Musical Chords
121st
218th
78th
152nd
318th
83rd
93rd
63rd86th
148th
214th
210th
162nd
N Queens
102nd99th
210th71st41st
118th140th
246th31st
117th24th143rd64th42nd102nd80th294th82nd
84th
26th61st
40th81st10th
48th37th52nd73rd87th
51st
284th
13th50th91st
78th67th69th92nd
65th109th
Niven Numbers
1,076th1,378th
577th
1,411th954th
1,842nd
1,278th823rd876th757th784th1,245th1,465th1,452nd2,667th
993rd1,799th828th337th
1,266th641st77th1,929th
1,743rd659th366th1,233rd1,028th1,343rd
682nd
8th
2,142nd408th1,179th
2,127th1,007th801st1,392nd
1,099th
Niven Numbers (Long)
1,432nd822nd
655th
1,062nd
751st
399th
1,159th1,375th448th264th
374th791st
1,078th
1,655th
1,456th
583rd
991st
457th
1,168th
Number Spiral
134th245th
934th
442nd
322nd
41st183rd
188th
268th
316th280th
343rd
161st
144th
861st
434th
228th75th
105th
Odious Numbers
1,039th
1,300th
355th
743rd
1,019th
589th
842nd
1,621st
1st
2,546th
48th
1,246th560th
2,349th
2,091st
2,136th
Odious Numbers (Long)
1,037th
381st
307th
855th
287th
694th
1,161st
1st
718th
704th
1,671st
46th
963rd484th
1,014th
749th
Ordinal Numbers
424th461st
292nd
274th454th
708th1,147th438th
770th
291st500th
339th
46th1,193rd
1,021st177th373rd383rd
766th
112th
653rd369th187th2nd
287th
PalindromemordnilaP
233rd238th
279th
202nd133rd
338th208th
57th105th
199th100th
90th223rd251st
169th
329th
39th
211th
130th
Pangram Grep
581st590th
2,301st
560th
335th368th
789th343rd497th
985th
222nd297th243rd419th
396th784th56th
250th837th175th525th
903rd
844th
423rd708th
538th
1,861st1,655th395th
1,065th
Partition Numbers
157th231st
131st
139th280th
580th289th
200th
164th
70th307th
136th240th421st
254th124th
180th
475th
152nd455th
235th
129th
125th226th
Pascal’s Triangle
494th584th
335th
245th
873rd575th
1,543rd578th1,132nd966th354th
1,787th370th1,356th366th598th
1,373rd607th
1,366th761st
1st329th205th847th821st261st
887th
267th149th967th
175th431st
466th
470th
Pernicious Numbers
1,008th
611th
466th
541st355th562nd
1,325th
1,167th251st830th685th
1,027th814th1,149th1,258th
705th1st633rd
1,416th480th177th
975th412th516th897th850th
312th
42nd
948th436th1,128th
394th599th929th
653rd1,261st
Pernicious Numbers (Long)
189th
224th
619th
141st
170th
846th
1,069th
264th
340th
Poker
152nd
206th
258th
187th
120th
136th
98th
277th23rd104th83rd
112th
53rd
Polyominoes
64th
256th
Prime Numbers
927th974th
1,460th
963rd
931st1,707th254th2,123rd
1,125th
661st340th
1st567th967th181st
1st1,740th395th1,661st1,927th
2,314th
122nd
227th1,877th417th918th
1,802nd
1,407th
Prime Numbers (Long)
904th882nd
667th
1,443rd
714th
179th
822nd
656th1,211th
1st684th
1st578th528th1,186th1,317th
112th
906th
458th809th
598th
Proximity Grid
135th157th
91st
82nd
221st86th103rd88th46th99th124th75th
119th
48th133rd
85th53rd204th128th
62nd57th102nd118th111th
145th
295th
126th129th
78th
196th
QR Decoder
54th
73rd
187th
286th
314th
220th
230th
Quine
1st1,604th2,687th4,381st282nd
3,002nd2,209th4,783rd1,541st4,760th
1,955th
665th
2,834th2,232nd2,293rd1,758th4,894th630th
1,656th3,563rd2,066th2,933rd5,313th
1,996th1,616th2,728th1,732nd3,479th1st2,863rd1,354th3,142nd1,960th1,802nd561st3,278th
171st5,493rd4,129th486th4,524th1,934th3,403rd1,850th
1,787th
Recamán
796th
287th
764th
487th
442nd
556th
905th318th
358th
775th
780th
589th481st
917th
Repeating Decimals
64th
159th
67th
Reverse Polish Notation
380th283rd
163rd
171st511th
680th930th623rd564th356th595th
581st1st508th
226th418th349th
429th105th250th260th
611th
691st
751st197th290th
633rd
533rd
Reversi
169th
44th
94th25th
152nd91st113th
34th
81st239th
141st
57th
83rd123rd
70th
292nd
225th
269th
32nd
Rijndael S-box
79th
556th
235th
225th
114th
29th
35th
112th
290th
49th
Rock-paper-scissors-Spock-lizard
245th
341st
329th
39th431st
121st
89th
482nd
Roman to Arabic
334th
272nd
199th
453rd
72nd
997th
187th
330th
442nd
250th224th352nd116th
586th
261st
710th
ROT13
565th455th
794th
512th
273rd356th402nd523rd609th410th
582nd305th
294th577th263rd188th
249th
654th
409th160th364th623rd
77th
11th
307th207th285th349th656th761st
282nd
442nd
Rule 110
142nd364th
132nd
240th546th
187th637th
347th
72nd
141st
368th128th
864th
252nd
286th153rd
90th
Scrambled Sort
240th192nd
200th
428th122nd
133rd
157th145th342nd197th238th164th180th284th231st
225th9th78th
167th129th290th
214th202nd162nd198th223rd
355th
307th
273rd149th184th210th
209th306th
294th256th
Set
165th108th
137th90th
238th
154th
131st193rd
86th224th244th135th
144th
122nd
88th182nd245th
232nd149th138th106th98th
206th
272nd
216th136th
268th94th142nd
125th146th
Seven Segment
107th
101st
142nd
178th
73rd
342nd
163rd
600th
556th
791st
143rd
462nd
118th
SI Units
72nd
59th47th
52nd
183rd12th
204th95th60th32nd80th64th58th39th
68th29th
31st
50th25th
53rd
33rd226th28th56th75th
26th
278th
146th
48th55th51st54th41st62nd46th
164th79th
Sierpiński Triangle
189th330th
1,032nd
622nd
206th
440th
1,114th
271st
653rd
1,842nd
247th
295th
480th
Smith Numbers
124th
62nd
385th
130th
530th
216th
71st
584th
105th
Spelling Numbers
88th
1st
248th
282nd
118th
Star Wars GPT
123rd
175th127th
118th38th178th
63rd
101st
173rd104th84th112th
277th
141st
111th
265th
Star Wars Opening Crawl
49th
230th
81st
388th
Sudoku
22nd
353rd
Sudoku (Fill-in)
247th
197th
89th
85th133rd
63rd41st50th
93rd
60th
Ten-pin Bowling
153rd
237th
109th
71st22nd222nd32nd
81st314th124th105th88th
103rd
37th
90th61st202nd42nd
117th91st74th121st
54th
6th
223rd235th198th120th
116th
113th
139th154th
Tic-tac-toe
301st259th
84th
196th
230th297th138th
278th
57th
120th248th
253rd
91st268th162nd
266th
405th
218th
187th
200th
Time Distance
114th
467th
327th
177th
431st
462nd
299th
234th
497th
298th
91st
Tongue-twisters
663rd
450th
542nd
987th
134th
630th
862nd
288th
541st360th
312th
978th
Topological Sort
102nd
46th
190th
75th
159th
62nd
51st
57th38th
64th
157th50th73rd
74th
210th
83rd
123rd
176th
Tower of Hanoi
239th332nd
80th
103rd
104th554th175th248th198th239th235th523rd169th677th549th
380th263rd1st42nd537th
217th113th
177th45th389th405th339th
374th56th
304th
244th
138th293rd
357th
197th
342nd
Transpose Sentence
372nd347th
248th
398th
212th167th
267th
588th
253rd1st192nd124th
118th302nd
33rd300th158th401st104th
455th
559th
288th
224th
287th
Trinomial Triangle
157th224th451st
119th116th
122nd
92nd216th230th294th
165th126th
146th
153rd
70th
111th223rd66th
1st89th97th106th150th148th
395th
235th
227th
141st100th
162nd152nd100th231st
135th
United States
168th
75th
270th
443rd160th
360th
68th
537th
194th
333rd276th342nd
273rd
177th
240th
Vampire Numbers
167th
55th
343rd
128th
81st201st
72nd
373rd195th196th
406th
129th
76th
Van Eck Sequence
540th
655th
318th
561st
206th
522nd
682nd
126th
289th
287th
234th
Zeckendorf Representation
200th
205th
642nd
274th
392nd
207th
75th406th
377th84th142nd
483rd
163rd
196th
Zodiac Signs
153rd
441st
370th
167th
69th
387th
349th
γ
269th
1st
λ
146th
13th
252nd
31st373rd248th
574th121st
354th287th371st
109th720th670th
409th
562nd
67th
44th
786th
π
68th
938th
796th
105th
331st
622nd
1,237th296th
7th
602nd
311th
209th
τ
99th
94th
295th
584th
932nd172nd
398th
285th
170th
φ
306th
283rd
227th
543rd
725th
404th728th194th
598th
214th
675th
491st
258th
472nd
√2
291st
321st308th237th
664th
438th
329th
209th
245th
145th
299th
4th
273rd
258th624th
𝑒
274th
317th294th211th
569th
794th
325th
1,058th
121st
20th
374th
470th