12 Days of Christmas
451st242nd
796th
548th
1,744th648th
2,831st
1,844th226th
272nd
189th
28th804th205th
628th52nd
125th264th1,431st
291st
928th
24 Game
52nd
99 Bottles of Beer
894th200th
746th
309th
1,340th
509th
325th
387th163rd
165th
113th739th391st
151st223rd
32nd149th115th
72nd
719th
Abundant Numbers
140th990th
878th2,122nd1,442nd2,414th656th1,598th732nd1,071st984th1,183rd
374th1,226th1,221st479th
1,431st2,593rd
833rd55th1,978th415th2,015th
422nd420th
101st1,304th2,545th752nd
1,338th535th1,594th902nd381st
36th322nd1,890th484th
1,631st281st
1,217th
Abundant Numbers (Long)
154th478th
358th590th
604th
709th1,461st
1,055th
88th644th912th968th
802nd562nd
1,232nd99th
419th248th
488th213th
3rd158th382nd1,302nd
1,732nd127th994th1,424th66th
34th403rd529th132nd
269th326th
428th
Arabic to Roman
211th285th
617th
867th
24th
227th
81st
328th464th
635th
221st373rd
Arithmetic Numbers
124th398th
433rd485th
1,092nd
623rd
180th364th
125th
91st386th414th733rd
841st17th
397th319th870th
492nd
Arrows
178th146th
231st
458th
131st
176th
224th143rd
116th
282nd
252nd169th53rd167th
361st9th
76th144th417th
84th
Ascending Primes
172nd
319th
972nd
266th
334th
47th355th
74th
431st
43rd
348th
ASCII Table
111th175th
149th
788th
233rd
842nd
133rd266th
648th
157th
443rd209th
56th437th194th
113th128th
115th419th705th
155th
285th
Billiards
288th
18th148th
brainfuck
83rd204th
136th
231st
473rd
127th
215th
137th
388th119th
94th
332nd
569th36th296th190th
129th24th
23rd162nd368th
135th
Calendar
107th
Card Number Validation
272nd243rd
448th
494th
48th93rd
147th111th
193rd366th
441st
28th136th
Catalan Numbers
1st538th
746th
557th
645th
417th626th
391st
416th772nd
682nd223rd453rd14th
144th
1,325th614th618th920th
469th30th
115th
120th
563rd
Catalan’s Constant
62nd133rd
165th
339th
99th
2nd
64th129th
59th
250th
83rd
Christmas Trees
630th195th
176th
595th
451st
55th
263rd
423rd245th
2,106th415th
310th
164th158th445th
875th
631st267th
101st139th535th
882nd
214th
Collatz
78th472nd
649th252nd
598th
1,123rd
777th
329th467th643rd
592nd371st
1,126th576th
311th
3rd207th
335th279th302nd501st
744th227th
326th77th
231st372nd462nd
703rd
478th
Continued Fractions
119th
54th
CSS Colors
607th
296th
83rd
234th1st276th
70th500th
258th
Cubes
77th
434th
226th
193rd
167th
Day of Week
697th
601st
895th
439th
473rd
339th718th
116th
428th487th1,146th
1st773rd68th
577th
845th
457th
DFA Simulator
140th
298th
40th
116th
14th
78th75th
165th3rd
51st
20th
109th
Diamonds
227th148th
110th
403rd
280th
81st
397th140th
431st
548th
510th175th239th578th
187th198th
70th420th659th738th
395th
258th
Divisors
192nd1,413th
2,409th920th1,815th4,490th980th194th1,470th1,752nd
1,343rd
1,060th950th
792nd
2,453rd884th
1,165th399th215th1,494th1st814th3,772nd150th1,459th
19th293rd1,117th1,467th
931st186th
1,111th36th
28th2,098th1,019th330th
992nd1,333rd
760th
Emirp Numbers
705th369th
506th
873rd667th
804th278th207th
703rd
118th
429th739th
841st1,956th51st753rd
901st
561st265th796th258th
819th
138th298th
72nd1,138th731st
497th
610th
Emirp Numbers (Long)
89th
177th
633rd
98th
27th302nd
266th
408th100th209th132nd
291st355th
54th582nd482nd
326th
Emojify
16th
100th
147th
313th
234th341st
Evil Numbers
225th1,180th
859th2,373rd824th1,398th835th
1,562nd917th1,294th
392nd1,243rd
1,271st
490th1,026th1,692nd875th1,798th1,547th2,838th197th2,409th
516th1,380th
1st1,126th2,609th871st1,286th1,235th1,040th1,978th593rd50th
236th1,180th1,592nd1,517th
2,558th2,398th1,059th
1,172nd
Evil Numbers (Long)
87th651st
776th621st1,036th
497th
1,255th
831st
260th561st
1,035th
340th599th1,257th637th1,165th1,010th
88th1,199th
470th1,193rd
1st542nd1,060th823rd1,089th1,103rd614th1,076th453rd126th
110th768th892nd993rd
591st523rd
612th
Factorial Factorisation
17th121st
72nd
355th
162nd97th
305th
3rd116th167th
82nd
160th114th
13th73rd321st
108th
Farey Sequence
178th300th
194th407th
320th
481st
339th
187th350th
31st213th
252nd275th343rd
82nd
184th3rd
495th442nd77th
380th
Fibonacci
225th2,912th5,723rd3,481st1,210th2,782nd6,389th1,946th452nd657th3,770th5,444th3,618th2,567th395th1,908th1,131st2,046th
908th999th3,677th1,018th1st419th3,223rd2,948th2,823rd6,844th233rd2,034th5,052nd2,077th537th2,650th2,228th2,806th2,769th388th1,251st1,234th58th
49th1,215th363rd3,377th
2,511th2,145th2,178th975th8,744th1,930th
Fizz Buzz
652nd2,080th
642nd4,125th2,133rd2,153rd1,340th2,082nd1,644th3,815th
2,923rd1,173rd1,244th1,631st1,718th1,818th8,308th5,099th2,012th
3,645th4,960th1,284th6,359th5,558th1,247th700th23rd719th2,717th4,550th663rd3,816th4,226th
3,811th507th4,514th3,842nd619th
465th4,832nd2,730th1,872nd
1,593rd1,879th
1,856th
Foo Fizz Buzz Bar
367th499th
967th451st
867th
1,824th
186th
913th
933rd
1,837th510th
2,019th
1,914th926th
587th210th
441st904th950th
1,902nd136th804th792nd2nd
259th938th1,546th
298th
495th
Forsyth–Edwards Notation
70th293rd
134th
400th
182nd
172nd177th
74th202nd330th
24th
192nd
146th156th29th
81st
Fractions
364th586th
461st
1,153rd
574th
557th
239th551st
677th
553rd
321st
769th903rd633rd
413th331st
143rd449th10th
318th
Game of Life
236th
127th
48th100th349th
Gijswijt’s Sequence
80th251st
134th161st
211th
99th
319th
69th103rd
66th
55th86th
155th256th230th
160th
114th33rd
11th316th126th
310th
Gray Code Decoder
34th250th
45th
Gray Code Encoder
512th
363rd
175th
Happy Numbers
810th923rd1,141st
844th1,418th1,124th1,054th
1,237th309th685th
842nd381st
194th
506th1,013th
634th1,842nd
990th
872nd614th
341st879th935th738th
1,066th1,048th
174th457th
47th649th1,239th1,390th
1,702nd330th
255th
Happy Numbers (Long)
106th431st
253rd320th
798th
291st
68th851st
270th
189th342nd
136th388th
287th
227th
27th148th609th293rd
927th
238th52nd
10th295th537th
270th
269th
Hexdump
175th
133rd
99th
92nd
323rd186th
138th213th282nd
136th19th
67th
481st
74th
Hilbert Curve
126th
Intersection
242nd316th
221st
171st
170th
431st242nd
79th334th331st
659th15th
41st391st401st
214th
Inventory Sequence
28th315th
160th420th
349th
373rd533rd
552nd
475th
655th
487th258th
368th
170th68th
41st244th147th274th
489th517th
307th89th
441st133rd364th
447th
ISBN
12th358th
100th
259th
625th
190th
550th376th
450th
55th189th
2nd125th486th477th
766th
325th6th
220th312th774th
240th
432nd
Jacobi Symbol
188th
334th
502nd
114th
120th
85th
16th
197th
109th281st377th
430th408th
191st57th
142nd414th465th
140th
Kaprekar Numbers
171st
307th
448th
310th
Kolakoski Constant
9th280th
146th
136th
256th
79th
111th
55th
68th
37th
Kolakoski Sequence
29th455th
379th552nd1,026th680th
699th
292nd
129th582nd
324th
307th309th
371st93rd
340th639th
254th573rd
1st314th559th452nd
208th329th
279th155th
230th336th122nd
303rd
231st
Leap Years
44th810th
1,073rd2,389th766th2,162nd648th
501st997th
426th
61st839th727th193rd
205th716th
150th222nd922nd2,267th626th
79th1,381st
417th343rd1,333rd1,782nd
45th676th11th613th291st
6th335th1,148th1,056th
1,143rd
256th
Levenshtein Distance
654th
73rd172nd
58th
442nd
281st216th1,010th
19th
671st
404th
117th
915th
Leyland Numbers
490th
373rd659th
999th
111th
660th
163rd
172nd322nd
405th
355th307th
563rd
156th212th630th
238th4th
233rd293rd631st
213th
ln 2
177th178th
537th
351st
156th
242nd
274th300th
142nd
367th320th340th
3rd
200th28th
412th327th184th
349th
Look and Say
148th340th
214th
571st
325th
526th
376th
219th
434th245th
638th253rd
212th
151st
41st196th327th241st
54th
336th436th
65th181st125th
239th
240th
Lucky Numbers
12th240th
184th98th
86th
191st
223rd
65th217th
211th
148th165th
113th
253rd
55th156th
181st276th
4th192nd128th375th
249th400th189th13th
56th214th172nd
151st
Lucky Tickets
216th184th
176th
417th
129th
208th
239th197th
63rd
184th136th284th
147th9th
60th170th308th
182nd
Mahjong
21st
Maze
80th
Medal Tally
212th
133rd
183rd
169th
135th143rd
121st
235th86th181st
193rd50th
15th94th323rd
196th
Minesweeper
131st
Morse Decoder
38th
337th
126th
387th
147th
77th80th249th
156th83rd
52nd75th287th
218th
Morse Encoder
49th
520th
216th
115th
144th
156th
167th
36th103rd381st
Multitap Input
86th
57th
Musical Chords
277th
N Queens
42nd
10th
Niven Numbers
225th1,080th1,873rd337th1,200th579th2,322nd847th958th1,032nd1,600th1,311th390th
294th936th
809th
1,467th2,362nd1,437th995th1,807th339th3,154th1,651st1,270th3,105th75th1,310th1,169th468th368th552nd1,039th1,256th217th668th595th832nd231st
57th1,186th1,852nd410th
1,011th791st1,395th
737th
Niven Numbers (Long)
903rd759th1,694th1,583rd514th629th
698th298th678th1,065th
191st
153rd1,341st
407th
393rd648th982nd893rd1,085th921st
245th376th1,869th335th529th172nd2nd690th554th673rd750th
1,217th493rd34th
21st646th73rd484th
547th446th935th
1,264th
Number Spiral
168th
277th
218th
323rd
429th
35th
2nd
600th231st
24th
504th
Odious Numbers
154th901st
309th1,864th824th1,338th613th
1,373rd778th1,053rd
240th1,247th
868th
1,025th841st
1,211th1,275th2,458th155th1,629th
387th1,242nd
1st673rd755th703rd855th1,171st765th2,045th444th48th
192nd1,317th1,402nd1,178th
2,413th2,195th1,286th
771st
Odious Numbers (Long)
134th616th
282nd584th1,004th
555th
1,003rd
671st
211th588th
945th
286th540th1,071st574th935th921st
135th1,248th
241st1,026th
1st465th718th852nd707th1,052nd1,260th908th399th46th
159th1,043rd843rd922nd
530th1,010th
554th
Ordinal Numbers
152nd439th
498th
1,150th
823rd
526th
506th503rd
550th
608th372nd
591st850th
446th
99th851st
42nd177th569th737th
153rd950th
487th201st
112th402nd407th
2nd
409th
642nd
PalindromemordnilaP
192nd268th
450th
380th
220th76th
92nd
274th329th
39th103rd85th
144th
Pangram Grep
485th806th
1,388th391st
1,396th
577th
377th793rd
110th
1,127th555th
291st481st690th
745th
603rd
97th621st175th605th
422nd9th
270th487th232nd
735th
658th
Partition Numbers
16th230th
162nd
58th
Pascal’s Triangle
148th520th
344th
2,162nd
1,028th
807th
514th1,085th
940th
906th672nd
602nd
1st904th
387th244th
1st214th670th548th
335th56th
78th570th441st
477th
860th
Pernicious Numbers
253rd1,112th622nd393rd799th491st1,888th502nd361st564th916th1,085th996th
254th843rd
770th
1,152nd890th1,144th708th1st1,617th1,417th128th1,376th2,109th179th1,391st787th29th414th539th900th863rd225th305th155th756th43rd
114th1,044th524th436th
1,821st881st610th928th
656th
Pernicious Numbers (Long)
137th453rd
493rd346th
392nd
409th
74th
144th692nd
1st770th
829th
237th180th349th387th
200th40th
37th384th310th
633rd
Poker
82nd
Prime Numbers
380th1,138th
1,519th1,719th1,125th2,414th536th
1,259th992nd1,161st
1,596th1,241st
617th
254th1,984th2,078th
1,795th345th3,704th1st567th
181st2,127th
1st395th1,667th1,617th
326th1,246th
591st123rd
227th1,301st1,310th942nd
1,807th2,507th916th
633rd
Prime Numbers (Long)
333rd1,240th
1,005th952nd
935th
1,265th
616th
503rd891st
680th
178th1,062nd1,237th
1,429th976th
1st685th
1,078th1,128th1,008th1st528th639th947th
1,044th
782nd113th
173rd1,350th337th457th
774th
578th
Proximity Grid
304th
QR Decoder
141st
Quine
1st1,605th4,184th281st3,058th3,296th2,210th4,414th1,542nd4,212th3,062nd3,664th3,031st664th1,723rd1,947th
1,827th4,155th4,046th628th
3,561st748th2,067th
1,962nd3,933rd250th1,727th1,479th
1,354th1,766th1,970th1,804th559th3,083rd4,054th1,913th171st
616th2,488th486th3,608th3,401st1,852nd2,315th1,789th5,200th
2,317th
Recamán
48th374th
201st304th
322nd
510th
59th314th
210th
133rd293rd
214th
155th
24th210th
120th86th141st391st
560th192nd
310th6th
22nd172nd40th
371st
138th
Repeating Decimals
52nd
116th
274th
75th122nd143rd
102nd14th
1st131st107th
98th
Reverse Polish Notation
138th411th
250th
258th
346th185th
1st
490th
223rd
511th97th166th381st
156th
294th76th
579th289th706th
247th
Reversi
310th
38th
192nd
223rd
103rd
207th43rd
24th
198th
81st
Rijndael S-box
341st
390th
70th
71st326th
227th
303rd
43rd
Rock-paper-scissors-Spock-lizard
39th
952nd
119th
138th
429th123rd
47th231st
127th54th
21st
706th
279th
Roman to Arabic
463rd
996th
277th
141st
73rd
411th
844th451st
432nd
372nd24th
409th
486th
275th
ROT13
144th582nd
300th
309th
301st399th
Rule 110
88th145th
155th
558th
309th
107th
122nd175th
344th
96th334th152nd
721st
100th50th
156th132nd40th
158th
Scrambled Sort
225th
185th218th
Set
319th
119th
253rd
Seven Segment
97th169th
263rd
508th
185th
136th
259th156th
67th208th229th
258th
417th49th
38th488th
478th
Sierpiński Triangle
38th192nd
424th
326th
378th
417th
216th
163rd179th
528th
330th373rd267th
392nd
325th155th
6th345th403rd
Smith Numbers
33rd
307th
124th
144th
65th
257th303rd
13th259th
230th
221st102nd373rd153rd
217th41st
15th97th357th
54th
Spelling Numbers
199th
260th1st
171st221st
122nd
298th
255th203rd
79th
152nd
Star Wars GPT
52nd
160th
Star Wars Opening Crawl
283rd
25th
251st
Sudoku
46th
Sudoku (Fill-in)
38th
Ten-pin Bowling
273rd
361st
90th
391st
265th
246th
186th142nd99th
133rd53rd
17th
Tic-tac-toe
194th
364th
42nd
211th
Time Distance
162nd
302nd
45th
88th
50th209th200th
101st114th
391st
Tongue-twisters
1,141st
426th
306th
1,097th132nd
115th
692nd
239th
772nd
67th
Topological Sort
55th
16th
142nd
55th
Tower of Hanoi
28th748th
201st
308th
363rd240th407th
Transpose Sentence
247th307th
539th
342nd
149th
171st319th
596th485th
83rd310th418th
421st
Trinomial Triangle
25th299th
United States
212th
419th
506th
432nd
219th
107th
178th458th9th384th
399th
Vampire Numbers
93rd
31st
206th215th
308th
189th
250th
163rd38th
11th
389th
166th
Van Eck Sequence
34th359th
241st490th
389th
315th
107th340th469th231st
266th326th
1st678th
425th
75th137th
393rd127th356th534th
74th82nd
185th13th
92nd264th61st
306th
190th
Zeckendorf Representation
56th247th
243rd
149th
108th
306th258th
154th23rd
38th125th356th
203rd
Zodiac Signs
38th
148th
93rd123rd
93rd145th191st
109th
339th
102nd
γ
1st
λ
697th
338th
28th
π
320th69th
432nd
477th
522nd
491st291st
346th
274th273rd
552nd556th
167th
301st
7th
256th241st277th
167th
127th84th
467th290th413th
286th
τ
270th102nd
398th
435th
460th
445th
382nd
228th271st
490th506th
238th
179th
15th
266th262nd278th
131st
119th62nd
302nd288th359th
297th
φ
257th309th
433rd
780th
294th
452nd675th
358th
383rd417th
680th240th
177th
1,101st203rd
218th
429th378th418th
47th
258th14th
8th414th325th
391st
√2
273rd291st
521st
617th
353rd
312th763rd
405th
439th469th
764th276th
397th
441st
144th
412th424th468th
114th
288th4th
140th455th383rd
262nd
𝑒
414th274th
529th
1,396th
386th
294th764th
345th
485th413th
882nd445th
238th
184th
120th531st499th487th608th
248th
287th20th
171st423rd175th
384th