12 Days of Christmas
231st
32nd
612th
600th
789th
1,268th
249th
1,380th
55th
83rd
24 Game
187th
209th
55th
98th
314th
99 Bottles of Beer
107th
987th
328th
926th
596th
2,185th
474th
915th
Abundant Numbers
985th
1,395th
272nd568th
440th
1,421st
1,010th
376th165th
2,011th
297th
1,855th
1,577th
1,796th
2,468th876th341st
1,097th
Abundant Numbers (Long)
482nd
289th
984th
600th
1,462nd
563rd
582nd217th
249th681st
76th
1,188th
1,250th
937th711th887th
1,223rd
Arabic to Roman
554th
462nd
149th
24th314th
261st956th290th269th78th
378th
300th
245th
1,000th227th
450th216th276th249th
830th
805th381st
473rd112th
202nd
262nd
Arithmetic Numbers
229th641st
946th
267th
285th
355th
254th
112th847th
133rd
661st
525th327th
Arrows
135th
624th
298th140th
130th
194th
169th
123rd
456th141st
87th
286th
109th
443rd
151st
556th
149th
Ascending Primes
237th248th
265th
240th
374th
581st
490th
119th297th
116th
391st
260th
320th
143rd
110th
ASCII Table
204th511th
96th
69th
338th
182nd
395th
64th788th145th
188th
392nd198th269th128th
616th
140th340th
261st
100th
Billiards
115th140th
138th
32nd
194th123rd
69th
259th126th
89th
45th
36th
200th72nd64th97th
237th
240th96th
196th
brainfuck
302nd
724th
182nd
272nd
1,161st
427th
143rd
185th
584th
370th
438th
894th
536th
298th
112th
Calendar
108th
166th
75th
274th63rd
92nd98th85th86th
68th
59th
93rd67th
64th83rd79th
102nd
73rd
2nd
266th
229th
74th106th
Card Number Validation
177th214th
85th
120th
121st
203rd212th148th209th449th193rd
107th
62nd182nd
143rd128th82nd
65th69th277th192nd165th
408th
307th168th
652nd
111th
186th
Catalan Numbers
539th
370th
326th311th
920th284th546th376th774th
783rd553rd
419th208th
1,032nd
145th
929th
35th
121st
535th
623rd
616th
Catalan’s Constant
268th
182nd
200th
2nd
266th
369th
Christmas Trees
229th
932nd
690th55th
944th
178th
109th
258th
166th
569th
946th
1,639th
1,089th339th
Collatz
466th
248th
497th
373rd
1,497th
2,366th
632nd
379th
497th
40th
484th380th1,025th
1,505th
1,253rd
343rd402nd
1,533rd580th
Continued Fractions
110th139th
89th
57th
141st76th
126th146th127th123rd
83rd
61st115th
106th125th97th
93rd68th121st151st155th
118th
277th
224th133rd
132nd
135th
150th
CSS Colors
516th
538th
276th
81st
369th
563rd
249th533rd
1st
449th
290th
517th
Cubes
76th
580th
318th
27th
67th
21st
29th
558th
42nd
101st
Day of Week
726th721st648th
920th619th
204th
496th893rd595th485th
518th760th1,028th502nd335th
377th
403rd
569th280th114th364th
396th423rd409th667th572nd
233rd1st
67th
925th953rd
703rd
468th
447th542nd
DFA Simulator
176th
99th
77th
254th
90th142nd140th
182nd
47th
108th69th
118th260th68th134th
169th
340th
289th126th
93rd244th
227th
Diamonds
144th270th
114th
116th
163rd
489th
283rd
123rd
268th198th208th206th
1,176th
1,007th
153rd
309th
Divisors
1,064th1,210th
2,495th
1,302nd
1,537th1,050th
833rd
1,216th
2,730th1,451st
3,440th1,242nd1,331st746th214th
813th1,502nd
2,069th
290th753rd1,453rd1,147th
2,412th
36th
3,490th1,509th327th1,090th
2,066th
2,355th
957th
Emirp Numbers
355th377th
634th
173rd
233rd
426th
211th
790th
736th494th
626th
400th
1,348th
833rd264th
467th
Emirp Numbers (Long)
148th
347th
290th
319th
334th
112th
239th
258th
759th
562nd
145th
93rd
Emojify
114th
127th
206th
131st
185th
62nd
132nd197th
261st
147th151st
120th
145th
406th
76th
Evil Numbers
1,177th1,005th
822nd
1,397th
468th648th
860th2,217th491st2,895th
676th
1,034th1,542nd
1,547th2,403rd
1st
813th
1,279th1,282nd
3,211th
50th
658th436th
1,253rd
1,063rd
1,056th2,465th
Evil Numbers (Long)
863rd
1,034th
416th
369th504th
902nd
339th
635th
723rd
1,263rd
1st
1,056th
1,782nd
124th
991st440th
550th
897th
Factorial Factorisation
115th
414th
187th
313th
54th
70th
370th
168th
Farey Sequence
304th
119th
240th
315th402nd512th
267th
507th
191st
246th438th388th405th
461st
585th
212th
366th
632nd
Fibonacci
2,552nd2,586th3,592nd5,741st
1,217th
1,939th450th654th4,356th2,319th3,560th1,005th5,106th1,902nd1,120th2,457th2,613th1,145th4,766th4,519th
3,930th1,014th1st2,098th417th
6,510th1,935th492nd232nd8,683rd5,724th2,066th3,434th534th2,595th2,216th2,793rd7,753rd4,598th
56th
3,770th6,079th739th2,135th8,221st2,503rd3,453rd3,430th971st9,452nd3,008th4,892nd
Fizz Buzz
1,897th1,999th
1,479th
2,128th
3,578th3,365th1,998th
2,144th
5,421st5,266th7,834th2,201st
2,853rd5,309th1,251st2,715th
8,215th2,143rd585th23rd
3,813th1,649th
3,183rd
505th
10,053rd2,321st
2,725th7,656th2,076th
1,945th
3,666th
2,195th
Foo Fizz Buzz Bar
498th967th
1,881st1,384th384th
1,362nd
2,350th
1,527th
311th
788th
567th
909th
139th
1,105th
1,907th644th
1,520th
Forsyth–Edwards Notation
193rd229th
228th
100th
236th49th
124th631st130th273rd352nd319th
362nd
87th
118th106th
337th120th171st248th
227th
502nd
146th283rd421st420th532nd165th
507th
282nd264th
Fractions
467th487th
260th651st250th342nd
289th1,345th604th
227th
238th
296th
375th
174th
310th408th561st650th
1,418th
96th
10th
336th
981st
817th
513th
Game of Life
133rd154th168th
91st100th
58th
95th42nd
140th15th139th103rd107th136th
194th297th36th63rd
78th153rd59th
101st47th66th102nd115th
37th
359th
432nd
285th124th
337th
70th137th
114th
Gijswijt’s Sequence
483rd
243rd269th
154th482nd126th
41st
253rd
112th85th287th
595th
105th
48th
Gray Code Decoder
217th228th
259th
138th
161st309th420th213th129th182nd144th
119th16th175th169th
106th66th329th
1st87th116th110th205th227th
92nd
356th
155th209th
249th127th
148th
Gray Code Encoder
482nd459th
318th
152nd
316th441st277th113th
256th562nd307th332nd269th
215th187th211th363rd
446th167th81st
179th1st234th340th285th468th434th16th197th
375th
56th288th432nd
244th201st
517th
Happy Numbers
1,001st483rd
621st
244th
286th
503rd1,160th
470th435th819th411th
983rd484th
340th
1,020th1,014th767th
515th
826th766th
478th
796th
Happy Numbers (Long)
306th405th
319th
710th
260th
338th
459th560th222nd135th
596th
27th
650th
525th
311th
812th
1,114th
298th
763rd
Hexdump
189th183rd
97th
77th
162nd248th
133rd519th151st127th366th
235th
65th
114th76th
197th66th102nd144th153rd
181st
130th
268th
420th
364th222nd
Hilbert Curve
143rd
82nd
38th
Intersection
302nd293rd
89th
130th
241st
267th
361st58th
109th
640th345th529th153rd
677th
799th
228th
168th
94th
Inventory Sequence
401st313th
290th
116th
654th
181st
275th
150th
265th
509th359th145th653rd
340th
532nd253rd
652nd
ISBN
339th347th
628th253rd
190th
108th
158th987th273rd544th642nd256th641st
227th927th174th147th
226th303rd
350th263rd616th89th192nd287th
415th
842nd
221st
555th333rd
502nd
207th309th
235th
Jacobi Symbol
203rd
120th
223rd
125th
16th
142nd
394th
182nd429th
434th
321st
74th
Kaprekar Numbers
138th294th
267th
108th
41st
157th
285th
266th
139th
Kolakoski Constant
269th
153rd
367th
443rd
Kolakoski Sequence
723rd
741st
867th
972nd
393rd92nd
747th
1st
914th
398th
987th
Leap Years
764th
209th
661st
1,056th
652nd874th
327th
2,216th
230th
1,032nd
307th243rd
759th627th78th
454th2,810th1,860th
986th
387th
3,475th
547th
Levenshtein Distance
339th205th
227th
510th73rd
376th
58th
212th234th
271st
474th
226th154th183rd
18th
884th483rd
607th116th313th295th
530th167th161st
565th
Leyland Numbers
296th514th
496th
268th
324th
615th
139th188th
161st617th
594th
392nd
4th
261st
334th
175th
ln 2
178th
352nd204th74th
471st404th344th431st550th
634th
244th219th
81st
28th
696th
255th
227th
Look and Say
324th
389th
147th
199th70th
223rd144th302nd
482nd
592nd
164th453rd
172nd481st85th447th
167th135th167th479th
581st
761st
306th
183rd468th
509th
Lucky Numbers
253rd
265th
167th
318th
115th232nd164th
266th783rd
273rd103rd
332nd
144th287th
170th
149th
205th
753rd
Lucky Tickets
178th238th
129th
126th
174th
107th113th
145th
144th
167th
9th
257th
89th
Mahjong
192nd45th
88th
17th
11th
65th
55th
38th
306th
68th
Mandelbrot
109th
187th
259th
255th
73rd
104th47th
131st461st346th120th186th146th
117th
53rd
127th201st
195th57th75th213th174th
238th
363rd
97th121st
128th102nd
193rd254th
Maze
125th173rd
67th
94th250th
242nd
49th195th
61st
121st
104th
357th
332nd
107th
81st
Medal Tally
142nd192nd
58th
173rd
176th228th124th
33rd
86th
72nd134th
295th
341st
115th
250th
292nd
Minesweeper
114th148th89th
99th
47th
132nd30th
85th
107th24th52nd58th
73rd191st48th171st
65th40th136th
36th60th71st93rd
50th
256th
95th
87th
92nd
Morse Decoder
117th
48th
60th
88th
74th
43rd
90th130th
138th284th
95th
278th
208th105th
106th
147th
Morse Encoder
307th
114th
103rd
269th
83rd
128th
292nd
92nd
122nd
104th
Multitap Input
83rd
108th
54th
105th21st
103rd46th101st104th
90th
67th120th
81st69th24th162nd
73rd76th63rd106th
70th
225th
122nd
150th118th
82nd85th
109th
Musical Chords
106th
64th
60th
83rd
270th
25th
59th
105th
207th
191st
70th
N Queens
102nd99th
208th71st41st
118th140th
244th31st
117th24th143rd64th42nd102nd80th292nd82nd
84th
26th61st
40th81st10th
48th37th52nd73rd87th
51st
282nd
13th50th91st
78th67th69th92nd
65th112th
Niven Numbers
1,074th1,375th
578th
1,410th953rd
1,839th
1,277th824th875th758th785th1,244th1,512th1,451st2,661st
992nd1,796th829th337th
1,265th642nd77th1,773rd
1,738th660th366th1,232nd1,029th1,342nd
683rd
8th
2,137th408th1,178th
2,122nd1,006th802nd1,391st
1,098th
Niven Numbers (Long)
1,426th819th
646th
1,056th
748th
400th
1,154th1,369th449th261st
375th788th
1,071st
1,648th
1,451st
574th
983rd
458th
1,163rd
Number Spiral
134th244th
932nd
441st
321st
41st180th
187th
267th
315th279th
342nd
159th
144th
859th
433rd
227th75th
105th
Odious Numbers
1,039th
1,300th
355th
743rd
1,019th
589th
842nd
1,621st
1st
2,546th
48th
1,246th560th
2,348th
2,091st
2,143rd
Odious Numbers (Long)
1,036th
381st
307th
854th
287th
693rd
1,161st
1st
720th
703rd
1,670th
46th
962nd484th
1,013th
755th
Ordinal Numbers
427th464th
292nd
274th457th
713th1,146th441st
775th
291st503rd
341st
46th639th
1,021st175th375th385th
771st
111th
659th371st185th2nd
287th
PalindromemordnilaP
233rd238th
279th
202nd133rd
338th208th
57th105th
199th100th
90th223rd251st
169th
329th
39th
211th
130th
Pangram Grep
579th588th
2,296th
559th
332nd366th
789th341st497th
982nd
220th296th241st417th
394th784th56th
248th834th172nd525th
901st
842nd
421st704th
537th
1,855th1,650th393rd
1,114th
Partition Numbers
157th231st
130th
138th279th
579th288th
200th
164th
70th306th
135th239th420th
253rd123rd
180th
474th
151st454th
234th
128th
124th226th
Pascal’s Triangle
497th583rd
333rd
244th
873rd574th
1,542nd577th1,133rd966th352nd
1,787th368th1,356th364th597th
1,373rd606th
1,366th761st
1st327th204th848th700th260th
887th
266th149th967th
174th434th
469th
473rd
Pernicious Numbers
1,004th
611th
466th
541st355th562nd
1,319th
1,163rd251st820th685th
1,023rd878th1,145th1,254th
705th1st633rd
1,411th480th177th
971st412th516th893rd840th
302nd
42nd
944th436th1,124th
394th599th925th
653rd1,262nd
Pernicious Numbers (Long)
189th
224th
618th
141st
170th
843rd
1,067th
264th
340th
Poker
151st
205th
257th
186th
119th
136th
98th
276th23rd104th83rd
112th
53rd
Polyominoes
64th
256th
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
1,431st
709th
177th
819th
650th1,200th
1st679th
1st573rd523rd1,177th1,307th
112th
899th
455th803rd
593rd
Proximity Grid
134th156th
91st
82nd
221st86th102nd88th46th98th123rd75th
118th
48th132nd
85th53rd204th127th
62nd57th101st117th110th
145th
294th
125th128th
78th
196th
QR Decoder
54th
73rd
187th
286th
314th
219th
230th
Quine
1st1,601st2,683rd4,375th282nd
2,999th2,207th4,777th1,538th4,754th
1,953rd
664th
2,830th2,230th2,291st1,755th4,887th629th
1,653rd3,560th2,064th2,930th5,306th
1,994th1,613th2,724th1,729th3,476th1st2,859th1,351st3,139th1,958th1,800th560th3,275th
171st5,486th4,126th486th4,518th1,932nd3,400th1,848th
1,785th
Recamán
796th
287th
764th
486th
442nd
555th
904th318th
358th
775th
780th
588th481st
916th
Repeating Decimals
64th
159th
67th
Reverse Polish Notation
379th283rd
163rd
171st511th
679th928th623rd564th355th595th
581st1st508th
226th418th348th
429th105th250th260th
611th
690th
750th197th289th
633rd
533rd
Reversi
169th
44th
94th25th
152nd91st113th
34th
81st237th
141st
57th
83rd
70th
289th
223rd
338th
32nd
Rijndael S-box
79th
556th
235th
225th
114th
29th
35th
112th
289th
49th
Rock-paper-scissors-Spock-lizard
245th
342nd
329th
39th431st
121st
89th
482nd
Roman to Arabic
333rd
272nd
201st
453rd
72nd
996th
187th
329th
442nd
250th224th353rd116th
586th
261st
710th
ROT13
565th455th
793rd
511th
273rd356th401st522nd609th410th
582nd305th
294th577th263rd188th
249th
654th
409th160th364th623rd
77th
11th
307th207th285th349th656th761st
282nd
442nd
Rule 110
141st365th
131st
240th546th
186th637th
348th
72nd
140th
369th127th
863rd
252nd
286th152nd
90th
Scrambled Sort
240th192nd
200th
428th122nd
133rd
157th145th342nd197th238th164th180th284th231st
225th9th78th
167th129th290th
214th202nd162nd198th223rd
355th
307th
273rd149th184th210th
209th306th
294th256th
Set
164th107th
136th89th
237th
153rd
130th192nd
85th223rd243rd134th
143rd
121st
87th181st244th
231st148th137th105th97th
205th
271st
215th135th
267th93rd141st
124th145th
Seven Segment
106th
99th
141st
176th
71st
341st
162nd
597th
554th
787th
142nd
460th
117th
SI Units
72nd
59th47th
52nd
183rd12th
204th94th60th32nd80th64th58th39th
68th29th
31st
50th25th
53rd
33rd226th28th56th75th
26th
278th
145th
48th55th51st54th41st62nd46th
164th79th
Sierpiński Triangle
189th330th
1,031st
622nd
206th
440th
1,113th
271st
652nd
1,836th
247th
295th
480th
Smith Numbers
125th
61st
384th
131st
530th
218th
71st
583rd
105th
Spelling Numbers
87th
1st
248th
281st
117th
Star Wars GPT
122nd
174th126th
117th38th177th
63rd
100th
172nd103rd83rd111th
276th
140th
110th
264th
Star Wars Opening Crawl
49th
230th
81st
388th
Sudoku
22nd
351st
Sudoku (Fill-in)
246th
196th
88th
84th132nd
62nd40th49th
92nd
59th
Ten-pin Bowling
152nd
236th
109th
71st22nd221st32nd
81st313th123rd105th88th
103rd
37th
90th61st201st42nd
164th91st74th120th
54th
6th
222nd234th197th119th
116th
113th
138th153rd
Tic-tac-toe
300th259th
84th
195th
230th296th137th
277th
57th
120th248th
253rd
91st267th162nd
265th
404th
218th
187th
199th
Time Distance
115th
466th
332nd
177th
430th
461st
297th
233rd
496th
413th
91st
Tongue-twisters
660th
448th
539th
984th
134th
627th
858th
286th
538th358th
310th
974th
Topological Sort
101st
46th
189th
75th
151st
62nd
51st
57th38th
64th
157th50th73rd
74th
209th
83rd
122nd
175th
Tower of Hanoi
239th332nd
80th
103rd
104th554th175th248th198th239th235th523rd169th675th549th
380th263rd1st42nd537th
217th113th
177th45th389th405th339th
374th56th
304th
244th
138th293rd
357th
197th
342nd
Transpose Sentence
369th307th
247th
397th
211th166th
266th
585th
252nd1st189th123rd
117th300th
33rd298th157th400th103rd
452nd
556th
287th
223rd
286th
Trinomial Triangle
157th224th450th
119th116th
122nd
92nd216th230th294th
165th126th
146th
153rd
70th
111th223rd66th
1st89th97th106th150th148th
395th
235th
227th
141st100th
162nd152nd100th231st
135th
United States
168th
75th
269th
444th160th
361st
68th
537th
193rd
334th275th343rd
272nd
177th
239th
Vampire Numbers
166th
53rd
341st
129th
81st202nd
72nd
373rd196th197th
404th
130th
76th
Van Eck Sequence
519th
654th
318th
560th
204th
522nd
681st
126th
289th
286th
234th
Zeckendorf Representation
200th
205th
642nd
273rd
391st
207th
75th405th
377th84th142nd
483rd
163rd
196th
Zodiac Signs
153rd
440th
369th
166th
69th
386th
348th
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
490th
258th
472nd
√2
291st
321st308th237th
663rd
438th
329th
209th
245th
145th
299th
4th
273rd
258th623rd
𝑒
274th
317th294th211th
569th
794th
325th
1,057th
121st
20th
374th
470th