12 Days of Christmas
231st
32nd
610th
598th
786th
1,265th
249th
1,377th
55th
83rd
24 Game
186th
207th
55th
95th
313th
99 Bottles of Beer
107th
983rd
324th
923rd
593rd
2,180th
472nd
912th
Abundant Numbers
985th
1,394th
272nd568th
440th
1,421st
1,010th
376th165th
2,010th
297th
1,854th
1,577th
1,795th
2,464th876th341st
1,097th
Abundant Numbers (Long)
482nd
289th
983rd
600th
1,460th
563rd
582nd217th
249th680th
76th
1,186th
1,248th
936th710th886th
1,221st
Arabic to Roman
566th
465th
149th
24th313th
260th953rd289th268th81st
377th
300th
245th
998th227th
450th215th276th247th
828th
804th379th
473rd112th
206th
261st
Arithmetic Numbers
245th648th
943rd
263rd
280th
355th
253rd
112th856th
133rd
655th
523rd325th
Arrows
145th
620th
296th138th
129th
194th
169th
120th
455th139th
87th
284th
106th
442nd
151st
559th
149th
Ascending Primes
237th248th
265th
240th
374th
580th
489th
119th297th
116th
391st
260th
320th
143rd
110th
ASCII Table
208th517th
96th
69th
338th
181st
396th
64th785th145th
187th
392nd198th269th126th
614th
140th340th
262nd
102nd
Billiards
111th137th
139th
32nd
194th124th
71st
259th121st
86th
42nd
39th
200th80th69th103rd
239th
241st102nd
196th
brainfuck
300th
723rd
188th
278th
1,155th
426th
146th
193rd
582nd
369th
439th
891st
549th
296th
111th
Calendar
106th
166th
73rd
274th64th
100th105th80th92nd
66th
59th
101st63rd
70th79th76th
96th
77th
2nd
269th
227th
78th114th
Card Number Validation
192nd225th
88th
118th
121st
202nd211th148th208th452nd214th
107th
62nd185th
142nd127th80th
65th69th272nd189th164th
405th
306th165th
658th
119th
181st
Catalan Numbers
539th
370th
326th311th
919th284th546th376th773rd
782nd553rd
419th208th
1,031st
145th
928th
35th
121st
535th
617th
633rd
Catalan’s Constant
268th
182nd
200th
2nd
266th
369th
Christmas Trees
234th
931st
690th55th
943rd
178th
109th
258th
163rd
570th
944th
1,635th
1,026th339th
Collatz
466th
248th
498th
373rd
1,498th
2,366th
633rd
379th
498th
40th
485th380th1,025th
1,506th
1,253rd
343rd402nd
1,382nd581st
Continued Fractions
116th134th
90th
56th
136th81st
115th159th118th131st
76th
59th118th
110th113th94th
96th67th127th148th153rd
123rd
276th
220th145th
132nd
157th
147th
CSS Colors
516th
538th
275th
81st
369th
562nd
254th530th
1st
447th
291st
514th
Cubes
76th
583rd
321st
27th
66th
21st
29th
561st
42nd
101st
Day of Week
765th745th646th
923rd633rd
204th
496th893rd593rd485th
518th757th1,027th502nd335th
367th
403rd
568th280th114th386th
396th423rd409th666th571st
233rd1st
67th
925th952nd
702nd
466th
459th541st
DFA Simulator
173rd
95th
75th
254th
88th140th138th
181st
46th
103rd68th
115th258th70th140th
172nd
339th
288th124th
101st248th
226th
Diamonds
143rd267th
283rd
114th
163rd
488th
280th
121st
265th198th207th132nd
1,173rd
1,004th
152nd
308th
Divisors
1,063rd1,209th
2,492nd
1,301st
1,536th1,049th
833rd
1,215th
2,727th1,450th
3,437th1,241st1,330th746th214th
813th1,501st
2,067th
290th753rd1,452nd1,147th
2,409th
36th
3,487th1,508th327th1,090th
2,064th
2,243rd
957th
Emirp Numbers
357th378th
635th
173rd
233rd
427th
211th
789th
735th493rd
626th
401st
1,346th
832nd264th
467th
Emirp Numbers (Long)
147th
346th
290th
319th
333rd
111th
238th
258th
756th
559th
143rd
76th
Emojify
112th
127th
207th
129th
185th
62nd
138th194th
260th
146th148th
121st
149th
406th
77th
Evil Numbers
1,177th1,005th
822nd
1,397th
468th648th
860th2,217th491st2,894th
676th
1,032nd1,542nd
1,547th2,403rd
1st
813th
1,279th1,282nd
3,210th
50th
658th436th
1,253rd
1,063rd
1,056th2,466th
Evil Numbers (Long)
862nd
1,034th
416th
369th504th
899th
339th
635th
723rd
1,263rd
1st
1,056th
1,781st
124th
991st440th
550th
901st
Factorial Factorisation
121st
413th
187th
312th
54th
70th
369th
168th
Farey Sequence
304th
119th
240th
315th402nd511th
267th
506th
190th
246th436th388th404th
460th
583rd
212th
366th
630th
Fibonacci
2,551st2,585th3,590th5,737th
1,217th
1,938th450th654th4,353rd2,318th3,558th1,005th5,103rd1,901st1,120th2,456th2,612th1,145th4,763rd4,516th
3,928th1,014th1st2,097th417th
6,505th1,934th492nd232nd8,675th5,720th2,065th3,432nd534th2,594th2,217th2,792nd7,746th4,595th
56th
3,768th6,074th739th2,134th8,214th2,502nd3,451st3,426th971st9,442nd3,006th5,003rd
Fizz Buzz
1,897th1,999th
1,478th
2,128th
3,576th3,363rd1,998th
2,144th
5,420th5,265th7,832nd2,201st
2,852nd5,308th1,250th2,714th
8,212th2,143rd585th23rd
3,812th1,648th
3,181st
505th
10,049th2,320th
2,724th7,654th2,076th
1,945th
3,664th
2,195th
Foo Fizz Buzz Bar
497th967th
1,879th1,384th384th
1,362nd
2,347th
1,526th
311th
788th
567th
909th
139th
1,105th
1,905th644th
1,519th
Forsyth–Edwards Notation
191st227th
235th
97th
242nd51st
132nd629th126th277th352nd317th
362nd
84th
114th106th
336th124th170th245th
234th
501st
144th280th421st419th531st164th
507th
279th283rd
Fractions
500th504th
252nd649th250th342nd
288th1,342nd602nd
238th
229th
294th
396th
174th
307th407th560th648th
1,415th
96th
10th
334th
985th
824th
508th
Game of Life
156th150th172nd
100th105th
58th
92nd38th
137th15th136th108th106th132nd
192nd296th36th67th
81st149th59th
99th46th63rd101st124th
43rd
358th
437th
284th133rd
335th
74th141st
114th
Gijswijt’s Sequence
483rd
242nd269th
154th482nd126th
41st
253rd
112th85th287th
595th
105th
48th
Gray Code Decoder
228th235th
268th
135th
157th306th419th211th129th174th141st
119th16th167th187th
103rd65th325th
1st86th116th107th204th222nd
91st
355th
151st208th
255th127th
145th
Gray Code Encoder
498th476th
323rd
152nd
315th440th271st113th
251st559th306th323rd292nd
215th187th211th426th
444th167th81st
179th1st227th336th279th463rd430th16th197th
368th
56th282nd424th
264th201st
513th
Happy Numbers
999th483rd
623rd
244th
286th
503rd1,158th
471st436th818th411th
981st484th
340th
1,018th1,012th767th
515th
825th765th
478th
766th
Happy Numbers (Long)
301st405th
318th
709th
260th
336th
459th560th222nd135th
595th
27th
649th
525th
310th
811th
1,111th
297th
762nd
Hexdump
204th182nd
97th
74th
168th247th
131st518th151st126th363rd
233rd
65th
118th77th
194th67th101st141st153rd
180th
129th
265th
424th
361st207th
Hilbert Curve
153rd
88th
38th
Intersection
330th303rd
85th
130th
234th
264th
359th59th
115th
642nd341st527th150th
676th
794th
250th
212th
102nd
Inventory Sequence
402nd314th
291st
116th
653rd
181st
275th
150th
265th
508th361st145th652nd
341st
532nd253rd
608th
ISBN
357th375th
627th259th
190th
108th
157th983rd272nd545th644th267th638th
227th923rd174th149th
226th301st
346th262nd613th89th192nd281st
414th
839th
221st
554th333rd
506th
211th309th
232nd
Jacobi Symbol
206th
120th
221st
125th
16th
141st
393rd
181st428th
433rd
320th
78th
Kaprekar Numbers
138th294th
267th
108th
41st
156th
285th
266th
139th
Kolakoski Constant
267th
153rd
365th
441st
Kolakoski Sequence
723rd
741st
866th
971st
392nd92nd
747th
1st
913th
397th
986th
Leap Years
764th
209th
661st
1,055th
649th871st
327th
2,213th
230th
1,030th
307th243rd
759th627th78th
454th2,807th1,857th
984th
387th
3,471st
547th
Levenshtein Distance
360th215th
226th
507th73rd
375th
58th
210th234th
271st
473rd
223rd154th183rd
18th
888th481st
606th115th312th295th
529th168th161st
564th
Leyland Numbers
296th513th
495th
268th
324th
614th
139th188th
161st616th
593rd
392nd
4th
261st
334th
175th
ln 2
178th
352nd204th74th
471st404th344th431st550th
634th
244th219th
81st
28th
696th
255th
227th
Look and Say
323rd
388th
147th
198th70th
222nd144th301st
482nd
590th
163rd453rd
171st481st85th446th
166th135th166th479th
579th
761st
305th
182nd468th
509th
Lucky Numbers
253rd
265th
167th
318th
114th232nd164th
266th782nd
273rd103rd
332nd
144th286th
170th
149th
205th
751st
Lucky Tickets
185th237th
140th
124th
170th
107th113th
147th
141st
163rd
9th
256th
94th
Mahjong
188th42nd
84th
17th
11th
62nd
65th
39th
287th
64th
Mandelbrot
121st
191st
258th
255th
74th
107th46th
127th460th344th123rd190th149th
110th
53rd
130th201st
194th57th77th213th172nd
239th
361st
97th124th
129th102nd
192nd256th
Maze
120th170th
66th
92nd250th
238th
49th193rd
68th
117th
106th
358th
330th
108th
85th
Medal Tally
152nd203rd
56th
167th
178th227th135th
33rd
89th
76th137th
295th
339th
118th
247th
293rd
Minesweeper
124th152nd95th
100th
46th
131st29th
83rd
102nd24th52nd55th
73rd190th47th173rd
63rd37th134th
33rd58th71st90th
49th
255th
92nd
98th
89th
Morse Decoder
129th
48th
60th
84th
74th
43rd
97th128th
138th284th
99th
278th
208th115th
103rd
151st
Morse Encoder
306th
114th
102nd
267th
85th
126th
291st
88th
128th
112th
Multitap Input
90th
104th
54th
101st21st
116th48th97th114th
85th
66th123rd
84th68th24th163rd
71st75th69th115th
73rd
225th
120th
149th127th
93rd98th
105th
Musical Chords
62nd
58th
80th
268th
25th
60th
206th
192nd
74th
N Queens
102nd99th
208th71st41st
118th140th
244th31st
117th24th143rd64th42nd102nd80th292nd82nd
84th
26th61st
40th81st10th
48th37th52nd73rd87th
51st
282nd
13th50th91st
78th67th69th92nd
65th113th
Niven Numbers
1,074th1,375th
578th
1,408th953rd
1,837th
1,277th824th875th758th785th1,244th1,531st1,451st2,657th
992nd1,794th829th337th
1,265th642nd77th1,771st
1,736th660th366th1,232nd1,029th1,342nd
683rd
8th
2,135th408th1,178th
2,120th1,006th802nd1,389th
1,098th
Niven Numbers (Long)
1,422nd818th
646th
1,054th
746th
400th
1,151st1,366th449th261st
375th787th
1,069th
1,645th
1,448th
574th
982nd
458th
1,160th
Number Spiral
134th244th
931st
441st
321st
41st180th
185th
267th
315th279th
342nd
159th
144th
858th
433rd
227th75th
105th
Odious Numbers
1,039th
1,300th
355th
743rd
1,019th
589th
840th
1,621st
1st
2,545th
48th
1,246th560th
2,348th
2,091st
2,151st
Odious Numbers (Long)
1,036th
381st
307th
854th
287th
693rd
1,161st
1st
720th
703rd
1,669th
46th
962nd484th
1,013th
804th
Ordinal Numbers
439th492nd
291st
274th456th
713th1,143rd441st
773rd
290th503rd
340th
46th644th
1,019th175th374th384th
767th
111th
659th370th185th2nd
287th
PalindromemordnilaP
249th257th
276th
199th130th
337th208th
57th107th
197th98th
89th220th250th
168th
328th
39th
211th
151st
Pangram Grep
588th600th
2,288th
557th
331st366th
786th340th495th
980th
220th291st241st417th
394th781st56th
248th830th172nd521st
898th
839th
421st700th
534th
1,850th1,645th387th
1,129th
Partition Numbers
157th229th
130th
138th278th
578th287th
200th
164th
70th305th
135th238th419th
252nd123rd
180th
473rd
151st452nd
233rd
128th
124th230th
Pascal’s Triangle
497th583rd
333rd
244th
872nd574th
1,541st577th1,132nd965th352nd
1,786th368th1,355th364th597th
1,372nd606th
1,365th761st
1st327th204th847th698th260th
886th
266th149th966th
174th434th
469th
473rd
Pernicious Numbers
1,003rd
611th
466th
541st355th562nd
1,316th
1,162nd251st820th685th
1,022nd886th1,144th1,252nd
705th1st633rd
1,407th480th177th
970th412th516th892nd840th
302nd
42nd
943rd436th1,121st
394th599th924th
653rd1,276th
Pernicious Numbers (Long)
187th
223rd
612th
140th
166th
842nd
1,064th
261st
336th
Poker
148th
204th
256th
184th
119th
135th
98th
275th23rd107th89th
127th
51st
Polyominoes
64th
254th
Prime Numbers
926th973rd
1,460th
962nd
930th1,707th253rd2,121st
1,124th
660th338th
1st566th966th180th
1st1,740th393rd1,661st1,926th
2,313th
122nd
226th1,876th415th917th
1,801st
1,407th
Prime Numbers (Long)
897th875th
660th
1,429th
709th
177th
819th
650th1,199th
1st679th
1st573rd523rd1,177th1,304th
112th
899th
455th803rd
593rd
Proximity Grid
155th
97th
80th
220th85th100th87th46th96th128th73rd
117th
48th134th
88th56th202nd127th
68th55th99th116th106th
145th
292nd
122nd137th
83rd
193rd
QR Decoder
54th
76th
184th
283rd
304th
222nd
229th
Quine
1st1,599th2,681st4,361st281st
2,993rd2,204th4,758th1,536th4,736th
1,951st
662nd
2,826th2,227th2,288th1,753rd4,867th627th
1,651st3,552nd2,061st2,942nd5,280th
1,956th1,611th2,721st1,716th3,468th1st2,855th1,349th3,132nd1,964th1,798th558th3,268th
171st5,456th4,114th485th4,501st1,930th3,392nd1,846th
1,783rd
Recamán
794th
286th
763rd
493rd
440th
554th
902nd317th
357th
773rd
778th
587th479th
914th
Repeating Decimals
63rd
156th
67th
Reverse Polish Notation
411th301st
163rd
168th510th
679th925th622nd562nd353rd594th
578th1st507th
225th415th345th
426th105th247th258th
609th
689th
750th194th287th
644th
516th
Reversi
166th
44th
91st25th
151st95th112th
32nd
84th236th
141st
58th
82nd
70th
287th
222nd
334th
34th
Rijndael S-box
79th
555th
235th
225th
114th
29th
35th
112th
289th
49th
Rock-paper-scissors-Spock-lizard
245th
340th
326th
40th428th
120th
90th
484th
Roman to Arabic
347th
270th
199th
451st
72nd
993rd
184th
328th
450th
250th224th350th114th
585th
261st
710th
ROT13
573rd507th
794th
510th
272nd355th399th522nd608th409th
580th363rd
292nd574th263rd188th
249th
664th
408th160th364th621st
77th
11th
304th207th283rd348th653rd768th
280th
440th
Rule 110
146th370th
131st
238th543rd
186th636th
346th
71st
143rd
367th127th
860th
249th
285th152nd
92nd
Scrambled Sort
261st197th
211th
428th120th
130th
153rd144th339th190th238th158th188th282nd227th
223rd9th78th
176th128th290th
210th194th169th206th220th
357th
304th
275th146th182nd205th
225th340th
293rd251st
Set
164th98th
132nd94th
237th
151st
136th193rd
86th229th242nd144th
141st
116th
85th181st243rd
230th146th140th113th99th
209th
269th
216th131st
283rd97th147th
121st154th
Seven Segment
105th
99th
141st
173rd
71st
343rd
159th
595th
552nd
786th
142nd
441st
115th
SI Units
72nd
57th53rd
50th
182nd11th
204th95th63rd31st79th62nd54th39th
68th34th
29th
55th25th
51st
35th225th27th60th75th
30th
269th
144th
46th59th48th52nd43rd67th49th
163rd86th
Sierpiński Triangle
189th330th
1,028th
621st
206th
439th
1,110th
270th
651st
1,833rd
246th
295th
479th
Smith Numbers
124th
61st
383rd
130th
528th
218th
71st
581st
105th
Spelling Numbers
87th
1st
252nd
280th
119th
Star Wars GPT
116th
177th131st
122nd43rd176th
63rd
96th
169th99th87th112th
275th
150th
113th
264th
Star Wars Opening Crawl
47th
231st
84th
380th
Sudoku
22nd
338th
Sudoku (Fill-in)
244th
201st
90th
81st129th
66th40th53rd
92nd
67th
Ten-pin Bowling
152nd
235th
103rd
69th22nd220th32nd
78th315th121st110th87th
104th
38th
93rd65th200th44th
163rd90th73rd117th
55th
6th
221st233rd197th116th
115th
122nd
137th164th
Tic-tac-toe
308th263rd
84th
190th
228th299th134th
277th
55th
126th246th
252nd
91st265th160th
266th
403rd
217th
194th
199th
Time Distance
461st
328th
174th
425th
459th
299th
233rd
490th
408th
94th
Tongue-twisters
655th
450th
537th
974th
140th
625th
850th
287th
535th362nd
314th
963rd
Topological Sort
112th
44th
189th
74th
151st
59th
47th
61st41st
72nd
156th46th71st
78th
209th
79th
126th
175th
Tower of Hanoi
256th343rd
81st
103rd
104th554th174th241st197th236th235th523rd176th677th564th
379th263rd1st42nd544th
232nd113th
177th45th389th404th337th
373rd58th
304th
250th
137th289th
357th
216th
340th
Transpose Sentence
375th321st
264th
392nd
211th166th
262nd
586th
247th1st189th124th
117th298th
33rd296th148th395th103rd
452nd
554th
283rd
236th
282nd
Trinomial Triangle
157th224th450th
119th116th
122nd
92nd216th230th294th
165th126th
146th
153rd
70th
111th223rd66th
1st89th97th106th150th148th
395th
235th
227th
141st100th
162nd152nd100th231st
135th
United States
175th
74th
269th
444th154th
360th
68th
537th
192nd
333rd276th341st
272nd
173rd
240th
Vampire Numbers
166th
53rd
341st
129th
81st202nd
72nd
373rd196th197th
404th
130th
76th
Van Eck Sequence
518th
652nd
317th
559th
203rd
521st
679th
126th
288th
285th
233rd
Zeckendorf Representation
214th
202nd
638th
266th
388th
205th
75th404th
376th82nd139th
479th
162nd
194th
Zodiac Signs
163rd
438th
368th
164th
67th
389th
346th
γ
269th
1st
λ
146th
13th
252nd
31st373rd248th
573rd121st
354th286th371st
109th719th669th
408th
561st
67th
44th
785th
π
68th
937th
795th
105th
331st
621st
1,235th296th
7th
600th
311th
209th
τ
99th
94th
295th
583rd
930th171st
398th
285th
170th
φ
306th
283rd
227th
543rd
725th
404th728th190th
598th
214th
675th
490th
258th
472nd
√2
290th
320th307th236th
663rd
437th
328th
208th
244th
144th
298th
4th
272nd
257th623rd
𝑒
274th
317th294th211th
569th
794th
325th
1,055th
121st
20th
374th
470th