12 Days of Christmas
231st1,334th112th729th443rd763rd96th
143rd
471st206th
526th1,190th122nd178th
104th14th
904th552nd664th170th
1,788th492nd184th
65th345th
366th323rd
62nd
406th219th
24 Game
175th91st193rd145th159th
55th
31st
16th
38th
147th6th
163rd
66th
130th
25th
11th168th
99 Bottles of Beer
421st441st171st242nd148th85th404th
201st
110th237th
536th
78th
46th8th
314th
880th
231st444th
271st
254th
103rd
Abundant Numbers
486th265th208th375th155th222nd228th674th149th
88th273rd284th
308th
235th1st223rd99th
1,261st157th94th287th41st12th311th141st212th424th292nd90th358th39th624th32nd333rd192nd337th135th393rd161st
219th296th
Abundant Numbers (Long)
1,311th436th496th1,213th332nd885th800th313th94th
79th687th432nd
742nd1st189th119th
262nd776th197th407th40th12th478th292nd649th
915th
204th506th451st601st154th
277th
763rd501st
Arabic to Roman
278th
359th
632nd
246th143rd257th22nd
301st293rd
76th
234th
405th96th
265th
519th
220th1st
355th
353rd
Arithmetic Numbers
595th773rd439th254th56th294th158th
83rd
41st308th300th
324th
76th
123rd292nd6th
317th
142nd885th
502nd
103rd34th
19th
484th
717th785th
Arrows
96th230th250th269th166th112th268th
32nd
244th202nd392nd
90th
423rd
231st121st136th
213th
158th
133rd
6th
260th
343rd
188th249th
Ascending Primes
306th155th104th143rd57th173rd118th
68th
210th169th137th
146th
61st44th
240th
343rd
331st
18th
265th308th
122nd
136th235th
ASCII Table
258th213th81st349th119th360th363rd250th28th
206th353rd185th
105th
62nd
187th225th88th
241st
3rd
300th49th170th
264th
224th268th
Billiards
277th236th62nd240th268th197th44th
282nd
104th
162nd
49th83rd
108th
297th
230th
198th
225th
251st
brainfuck
840th
124th849th
679th164th
201st
511th
640th12th
65th
227th
Calendar
259th
223rd
252nd
132nd
158th217th
2nd
207th
Card Number Validation
183rd202nd87th383rd
412th
272nd
359th415th
216th
66th
266th16th
121st
351st
244th225th
104th
177th
299th203rd
Catalan Numbers
713th
338th668th347th
203rd
357th450th726th
422nd
652nd12th326th243rd263rd
391st154th
228th
1,037th
431st
42nd
130th
586th
681st
Catalan’s Constant
233rd
127th
168th
175th
293rd
124th
103rd
291st201st
3rd
196th
152nd
227th182nd
109th
172nd
120th
Christmas Trees
156th
144th1,021st527th
235th
350th
78th468th
474th
126th
419th9th270th464th
312th122nd338th
177th
289th620th213th43rd73rd
856th
146th138th
Collatz
373rd432nd235th607th166th354th472nd
101st
321st422nd
639th
726th577th
195th6th138th887th
1,129th364th284th
1,177th60th
483rd444th216th122nd434th
537th
1,093rd1,742nd
Continued Fractions
112th
256th188th
150th
146th113th
9th
59th
CSS Colors
286th152nd222nd404th
356th319th
112th
329th
76th
255th
242nd
305th150th
1st
270th42nd
146th
165th394th
245th
Cubes
400th210th43rd
115th
280th
176th
255th4th107th
319th117th
282nd
232nd
131st
159th
Day of Week
757th993rd769th333rd241st487th583rd590th293rd
553rd661st612th561st
372nd
404th
464th
697th316th151st423rd
433rd
440th
686th
270th1st
67th280th574th214th994th
953rd
835th859th
DFA Simulator
293rd
97th
47th
123rd112th
41st
147th
Diamonds
72nd134th142nd628th243rd622nd127th
169th
401st111th
281st
119th
221st24th
77th
220th
49th
61st
14th
152nd
Divisors
1,588th1,021st941st1,316th483rd1,485th834th1,610th664th
720th2,250th987th912th
945th
1,006th1,277th
829th502nd
926th491st364th713th
1,303rd565th1,290th2,025th1,330th758th2,195th699th
28th553rd381st426th599th
805th
1,702nd1,080th
Emirp Numbers
512th
844th59th108th466th647th476th461st
309th277th167th480th296th137th
190th
271st
133rd94th265th
1st
305th
79th244th175th227th201st35th212th322nd253rd
580th
Emirp Numbers (Long)
812th451st448th518th420th475th693rd
116th
487th
346th
251st
416th502nd
1st
361st
37th
72nd96th
504th
Emojify
139th162nd
124th131st
37th
60th103rd
304th
57th
62nd30th193rd
95th
3rd
146th
Evil Numbers
1,225th1,902nd626th833rd350th462nd592nd670th403rd495th377th774th609th705th966th605th518th
451st
728th389th199th631st362nd192nd478th366th1st583rd398th483rd861st774th962nd345th1,148th648th50th1,262nd1,234th412th370th811th437th723rd600th643rd
Evil Numbers (Long)
894th781st481st319th270th304th388th445th278th396th259th594th396th
357th
468th
478th869th86th611th335th108th1,215th1,024th1st897th565th882nd873rd
801st544th247th497th46th1,067th1,428th912th698th
439th584th558th696th
Factorial Factorisation
203rd220th239th210th174th128th172nd
238th
132nd216th
268th
154th
144th32nd199th
47th
164th
10th
278th
Farey Sequence
342nd291st150th228th125th177th399th
66th
475th214th164th232nd
249th
172nd
138th39th
438th278th393rd221st254th
375th
5th
513th423rd
190th
268th307th
Fibonacci
2,262nd2,324th1,280th373rd466th670th2,399th
2,744th
409th1,964th1,182nd2,127th
4,859th1,128th783rd1st2,116th433rd3,038th
508th236th2,044th535th
2,488th550th2,624th2,242nd2,877th2,113th402nd1,305th1,288th46th3,817th222nd1,210th755th
2,174th2,193rd1,095th3,099th
Fizz Buzz
1,360th3,796th1,492nd700th3,426th1,504th1,727th2,044th1,438th1,561st4,090th2,084th2,541st3,509th
3,329th2,747th1,300th1,530th1,352nd
2,009th754th139th720th1,732nd4,716th2,080th1,277th4,416th2,642nd4,712th2,091st622nd26th
62nd1,537th123rd542nd3,205th
1,340th2,647th2,749th2,030th
Foo Fizz Buzz Bar
433rd1,163rd661st1,551st1,167th1,234th694th
338th
594th551st756th
658th502nd479th453rd
371st605th375th784th1,239th
1,629th
568th307th272nd
9th466th235th666th
546th1,537th
1,531st
Forsyth–Edwards Notation
64th377th156th352nd
251st82nd
324th
132nd
290th
170th
166th32nd172nd
160th
8th
Fractions
309th570th413th299th679th266th399th383rd205th
401st
276th
512th
236th161st
225th
490th
829th
96th
10th724th
396th
720th
Game of Life
215th324th93rd
137th
287th
206th
350th
398th
55th107th
269th1st
210th
143rd
175th
Gijswijt’s Sequence
224th112th79th
205th
180th
190th
212th105th
103rd
104th
201st118th
278th
52nd
226th
107th
272nd
169th
80th97th
Gray Code Decoder
299th
296th
49th
106th
77th
182nd
94th
124th
331st
188th
Gray Code Encoder
525th436th398th
302nd
171st337th330th
290th
231st136th
199th
52nd
32nd
323rd
261st
Happy Numbers
279th838th854th486th438th763rd452nd418th181st
208th728th465th361st565th397th218th
374th130th478th290th
332nd230th98th320th157th1st832nd
542nd
923rd189th253rd346th34th529th
109th241st881st314th
910th694th
Happy Numbers (Long)
206th668th300th313th133rd434th175th
181st
105th296th254th
192nd59th317th159th
151st50th234th92nd16th679th805th
442nd680th344th
40th
77th
377th
440th
Hexdump
476th393rd198th465th
534th269th
79th
172nd
211th
310th183rd
18th
5th
Hilbert Curve
153rd
128th
158th
174th
50th
Intersection
707th414th284th615th173rd610th236th
160th
276th
97th
140th94th
58th133rd159th
54th
234th
665th
Inventory Sequence
230th402nd137th144th225th177th550th
161st
52nd249th
214th
314th
123rd203rd
7th
104th149th
110th
36th
23rd
ISBN
78th627th198th657th467th552nd442nd
445th
385th284th
172nd
527th
147th
93rd34th
63rd
167th
177th203rd
269th
Jacobi Symbol
409th
249th286th327th269th95th
195th
276th
15th
261st
191st100th
131st
258th
Kaprekar Numbers
264th82nd57th46th55th51st60th
258th
102nd96th
128th
80th23rd
104th
313th
164th
253rd
100th
Kolakoski Constant
130th225th147th
116th77th104th
118th
250th
73rd
192nd139th
149th
94th
159th
12th206th
90th
235th
Kolakoski Sequence
250th536th222nd388th195th261st755th
381st
115th246th288th
236th
218th93rd35th
134th146th
139th1st
170th
184th86th
155th
58th163rd
452nd
550th207th
Leap Years
1,064th2,002nd206th328th375th289th488th566th368th
71st409th318th252nd718th608th228th
594th
313th269th1,215th
358th103rd704th85th
498th470th824th1,793rd1,373rd867th407th20th395th215th646th2,033rd729th1,253rd
578th563rd919th261st
Levenshtein Distance
432nd523rd345th
303rd
157th
116th198th
100th
522nd
242nd
526th278th
289th
76th
49th225th
3rd
218th
189th
Leyland Numbers
696th
472nd
427th
168th
662nd
353rd
203rd
613th146th164th
358th
25th404th
538th
343rd
ln 2
262nd
332nd445th308th473rd258th
156th
349th
212th
400th205th
108th
285th
3rd291st
28th547th
196th295th
303rd
304th
Look and Say
884th243rd999th
822nd81st
555th
114th417th
182nd275th
622nd33rd284th
391st
11th646th
472nd
134th
Lucky Numbers
378th
117th289th362nd346th422nd
81st
292nd338th236th
137th
132nd
209th266th
330th
183rd404th
34th319th
247th
Lucky Tickets
182nd
385th
155th
79th
247th
328th
144th
318th57th
13th
170th
301st
Mahjong
25th
129th
120th23rd
146th
Mandelbrot
48th131st87th179th79th288th231st
161st
37th96th110th
346th
55th
141st105th
60th130th
59th
71st
52nd
90th
Maze
222nd
144th
326th58th
165th67th
93rd
139th
Medal Tally
205th
215th
382nd
262nd
147th
341st
230th165th164th
101st
Minesweeper
133rd134th119th
64th
51st
168th
84th
141st24th
72nd
Morse Decoder
93rd
108th
77th
26th
76th68th
91st
54th18th
6th
71st
117th
Morse Encoder
87th104th65th
91st
165th
101st
125th
133rd
55th
39th10th
155th
69th
18th
52nd
96th
Multitap Input
255th
154th51st
115th
148th
17th
121st
85th68th
93rd
Musical Chords
315th
113th
166th
126th
65th
152nd23rd
150th
79th
N Queens
283rd257th182nd232nd242nd303rd32nd
171st
205th
216th
145th
229th17th
195th142nd
264th
114th
167th
201st
Niven Numbers
649th1,105th498th263rd406th618th679th1,050th465th
284th1,070th959th942nd1,434th861st780th1,283rd1,023rd1st834th380th
665th904th136th1,620th339th1st759th443rd554th1,231st1,202nd128th839th121st996th50th514th107th1,248th520th1,681st591st929th795th881st
Niven Numbers (Long)
290th562nd439th336th246th284th347th
221st
90th572nd847th782nd1,172nd523rd413th660th505th20th427th320th
358th301st150th
194th1st439th774th468th644th650th80th887th309th559th57th342nd46th106th367th
459th477th540th1,272nd
Number Spiral
492nd106th69th41st233rd245th509th
323rd
64th81st
103rd
270th
215th229th
287th200th
299th
308th
301st
127th
Odious Numbers
1,210th1,829th568th488th253rd665th782nd556th302nd398th229th865th510th583rd855th527th382nd
346th
578th271st156th426th262nd189th378th248th1st476th266th334th736th595th1,245th716th972nd496th48th1,218th820th315th276th692nd305th494th480th549th
Odious Numbers (Long)
1,461st676th467th276th229th375th352nd384th221st311th209th630th359th
289th
405th
414th682nd134th554th262nd158th
983rd1st584th498th592nd860th
969th961st196th449th46th1,290th1,267th849th693rd
345th515th471st675th
Ordinal Numbers
140th713th550th441st872nd523rd586th404th533rd
176th416th506th
629th
400th
553rd50th
734th199th
158th676th261st
286th279th116th102nd
127th463rd
758th
PalindromemordnilaP
331st510th
391st
304th214th105th
262nd
109th
198th72nd136th
485th
39th253rd
16th
51st88th
505th
432nd
Pangram Grep
454th764th1,007th
1,109th
605th544th168th
1,051st
151st
1,387th
458th1st290th191st
433rd108th
141st
296th
206th
727th
75th424th159th277th264th
Partition Numbers
76th148th104th242nd138th237th129th
38th
191st179th
121st
164th
100th63rd
94th
33rd157th
11th36th
54th
184th
Pascal’s Triangle
975th469th516th895th638th788th553rd
198th
1,101st796th
491st
509th
499th
1st457th892nd535th352nd360th1st921st325th
546th436th524th591st
53rd222nd119th150th990th
427th
694th1,196th
Pernicious Numbers
647th880th509th293rd397th592nd620th1,138th371st
269th911th762nd843rd1,091st745th813th971st782nd1st669th1,048th113th1,004th520th163rd949th361st
832nd454th558th980th931st241st335th139th851st42nd719th203rd220th479th1,200th436th635th725th695th
Pernicious Numbers (Long)
992nd881st
782nd192nd548th615th438th131st
81st478th
149th
652nd
217th
1st
207th628th
260th
280th
474th
554th73rd408th35th
180th240th
269th
Poker
258th
286th
81st
250th
290th233rd
74th
47th
Polyominoes
39th60th26th
144th147th125th
123rd
96th
117th121st
40th
118th
58th
Prime Numbers
1,452nd1,519th916th1,264th698th1,213th723rd739th521st
441st1,741st1,495th709th1,155th
245th
585th1,705th786th353rd1st661st504th180th622nd764th1st837th398th632nd2,053rd
339th1,147th1,014th675th122nd514th228th271st426th933rd1,130th
823rd739th
Prime Numbers (Long)
1,346th1,077th749th850th801st836th1,097th693rd435th
518th742nd877th
759th173rd
866th576th681st414th1st716th1,030th199th1,146th378th1st599th541st663rd
1,170th1,139th702nd
110th384th924th330th472nd
885th
1,123rd619th
Proximity Grid
174th
185th
144th
199th90th176th
119th
147th9th
191st
93rd
37th
QR Decoder
38th68th34th89th127th92nd121st
150th
190th80th
36th
141st52nd
27th
144th
193rd
Quine
3,663rd2,627th2,623rd4,260th1,535th4,085th
1,951st2,903rd661st3,178th1,941st2,811th1,820th2,290th2,778th4,882nd626th1,650th154th2,057th744th2,006th1,956th1,610th250th1,715th1,472nd1st2,840th1,348th1,758th1,963rd1,797th557th3,108th650th1,907th171st
614th485th1,450th
3,359th1,782nd3,863rd
Recamán
204th435th297th342nd254th118th102nd
331st
236th367th
491st
575th867th
181st62nd170th
106th
440th
38th
150th
194th
569th
Repeating Decimals
124th
57th
204th
86th
122nd186th
20th
1st13th
168th
Reverse Polish Notation
867th
292nd
440th
280th
421st
1st
656th73rd
56th594th
83rd
Reversi
256th
129th
138th
106th94th
53rd
158th17th
265th
97th
65th
Rijndael S-box
234th
46th
279th
292nd
151st
14th
168th
274th216th
71st
119th
215th
Rock-paper-scissors-Spock-lizard
416th393rd151st
98th
69th
144th
50th
219th17th
38th
74th
272nd
Roman to Arabic
425th536th288th690th592nd727th345th
275th
159th373rd255th
25th
315th
221st
444th301st206th579th
356th518th
168th97th
47th1st
186th511th
294th
216th367th
ROT13
436th553rd
790th
303rd
325th
515th
216th
544th265th
90th130th
11th280th144th79th
Rule 110
201st238th211th417th
398th181st
65th
51st203rd
363rd
102nd
381st43rd179th
157th
268th
3rd
18th378th
159th
Scrambled Sort
344th
399th
210th
339th
191st
195th231st
32nd
Set
276th
188th
240th
135th
368th180th
51st
44th
Seven Segment
332nd167th372nd70th197th101st170th
227th
45th196th
88th
289th
123rd49th
56th
305th
39th
53rd
271st
SI Units
159th
18th
176th249th
76th
Sierpiński Triangle
96th151st77th32nd70th100th189th215th55th
40th140th136th
212th
53rd
93rd7th135th467th
248th192nd
14th44th72nd
63rd207th
60th235th
156th
305th88th
Smith Numbers
357th177th64th368th285th451st205th
197th
407th137th
238th
62nd
332nd93rd
265th
483rd
199th406th
157th
328th
Spelling Numbers
464th
257th
415th
282nd85th169th1st
330th
579th111th185th
114th
Star Wars GPT
215th
105th
247th62nd
5th
130th
Star Wars Opening Crawl
42nd
60th
69th
276th32nd
26th
101st
Sudoku
74th
88th
200th160th
42nd
107th
Sudoku (Fill-in)
41st
141st
49th
112th32nd
114th
5th
Ten-pin Bowling
341st
269th
101st121st45th
60th103rd
75th
93rd23rd
59th
21st
35th
218th
Tic-tac-toe
237th167th
92nd
173rd
153rd
290th
63rd
196th39th
223rd
129th
98th
52nd
318th
Time Distance
229th
81st272nd279th294th107th
68th
28th
168th7th
76th
165th
Tongue-twisters
75th
179th184th153rd
206th
147th
59th283rd159th
81st
23rd213th
110th67th
111th
87th
49th194th
7th128th287th251st
120th
Topological Sort
55th
172nd
204th
164th37th
124th
149th
129th
Tower of Hanoi
77th247th82nd64th274th153rd362nd
33rd459th252nd214th170th
567th562nd
157th
126th
113th22nd
51st
90th42nd
424th289th107th185th55th
13th420th357th328th137th
97th445th103rd343rd
Transpose Sentence
718th385th344th
659th
365th
130th
264th
328th
1st499th151st
293rd59th123rd
42nd
66th208th
474th506th
Trinomial Triangle
232nd
277th
96th
112th
373rd210th
13th
57th
United States
359th227th
55th132nd
216th
237th356th
59th
371st104th
318th
135th2nd
82nd
Vampire Numbers
293rd123rd524th
512th289th
183rd
52nd
450th338th
113th
143rd
Van Eck Sequence
420th439th235th321st498th245th242nd
249th
490th473rd
542nd
299th
440th41st
141st
291st
13th
63rd677th
348th
184th
Zeckendorf Representation
332nd303rd206th278th184th114th
265th
252nd271st
249th
134th
104th25th
373rd
227th
15th
250th
217th
242nd
Zodiac Signs
26th310th102nd245th
282nd133rd
169th
31st249th
221st
147th
128th25th
35th
53rd
95th
γ
125th162nd225th
256th
337th
343rd218th
1st
138th
134th
313th
197th
λ
148th142nd
165th
173rd
141st
170th143rd
235th
383rd167th
211th
79th
101st209th
91st
193rd
π
257th612th240th472nd242nd445th370th
386th
275th
341st325th186th
565th233rd
23rd
285th533rd
200th191st
165th280th580th142nd403rd
294th
296th
τ
248th556th284th447th280th420th289th
320th
241st
291st333rd251st
477th98th
25th
296th
139th228th
168th271st530th196th396th
318th
299th
φ
396th688th424th358th393rd638th278th
199th
487th400th
570th449th185th257th162nd
535th144th
100th
520th
15th306th
337th38th583rd441st86th568th
398th
567th
√2
428th744th475th510th619th717th340th
230th
490th435th
352nd
208th315th
295th212th
166th
579th486th
13th394th
543rd40th582nd150th157th678th
426th
461st
𝑒
715th575th394th439th473rd441st455th320th230th
345th
566th
509th482nd1st
469th183rd
19th
490th
264th387th
69th392nd
174th623rd
689th
481st