12 Days of Christmas
452nd
796th
550th
1,738th648th
2,817th
1,848th227th
272nd
188th
29th803rd204th
630th52nd
123rd265th1,561st
290th
928th
24 Game
319th
99 Bottles of Beer
891st199th
744th
305th
1,327th
507th
327th
384th163rd
145th
113th736th389th
150th221st
33rd148th115th
75th
713th
Abundant Numbers
138th984th
877th2,101st1,441st2,396th645th1,577th720th1,068th969th1,166th
378th1,222nd1,202nd520th
1,411th2,604th
821st54th1,968th418th1,995th
424th423rd
95th1,290th2,524th739th
1,321st527th1,574th891st385th
36th325th1,877th474th
1,611th288th
1,205th
Abundant Numbers (Long)
153rd521st
359th584th
591st
614th1,448th
1,043rd
89th638th930th980th
804th569th
1,214th100th
407th244th
474th231st
3rd157th395th1,298th
1,720th128th984th1,446th64th
33rd420th501st133rd
266th331st
441st
Arabic to Roman
208th289th
610th
862nd
23rd
224th
79th
326th461st
628th
217th372nd
Arithmetic Numbers
121st395th
440th471st
1,077th
617th
180th369th
129th
91st373rd411th726th
833rd17th
394th280th860th
487th
Arrows
172nd141st
221st
442nd
106th
176th
215th137th
114th
273rd
241st163rd51st160th
358th6th
72nd138th407th
81st
Ascending Primes
319th
964th
262nd
329th
47th347th
74th
423rd
44th
340th
ASCII Table
112th190th
146th
786th
230th
838th
131st266th
647th
154th
443rd210th
128th435th192nd
106th125th
108th418th740th
152nd
284th
Billiards
280th
19th144th
brainfuck
82nd208th
135th
237th
479th
126th
220th
136th
398th129th
94th
334th
566th36th301st201st
128th24th
23rd166th374th
134th
Calendar
106th
Card Number Validation
267th240th
440th
482nd
48th93rd
144th110th
194th361st
434th
32nd135th
Catalan Numbers
1st534th
738th
552nd
639th
414th616th
395th
413th764th
674th220th463rd14th
141st
1,312th563rd609th604th
466th30th
112th
117th
556th
Catalan’s Constant
61st132nd
163rd
333rd
96th
3rd
63rd128th
58th
244th
82nd
Christmas Trees
629th188th
161st
590th
446th
55th
257th
418th243rd
2,091st407th
311th
164th155th438th
873rd
627th262nd
102nd141st539th
788th
214th
Collatz
77th463rd
643rd246th
588th
1,110th
767th
322nd456th631st
580th366th
1,113th562nd
306th
4th203rd
328th295th297th492nd
732nd222nd
319th76th
226th437th450th
463rd
470th
Continued Fractions
125th
51st
CSS Colors
600th
293rd
78th
230th1st271st
68th495th
255th
Cubes
73rd
435th
134th
170th
181st
Day of Week
687th
592nd
882nd
433rd
472nd
334th708th
111th
422nd472nd1,132nd
1st761st65th
565th
833rd
450th
DFA Simulator
139th
297th
38th
115th
14th
76th73rd
164th3rd
49th
20th
108th
Diamonds
222nd147th
109th
391st
265th
87th
385th139th
422nd
538th
503rd174th233rd506th
184th194th
70th410th651st723rd
383rd
253rd
Divisors
190th1,447th
2,397th906th1,796th4,455th964th192nd1,454th1,733rd
1,334th
1,050th956th
811th
2,427th920th
1,155th392nd213th1,478th1st801st3,748th149th1,443rd
19th276th1,106th1,449th
917th184th
1,100th36th
28th2,170th1,009th326th
992nd885th
777th
Emirp Numbers
698th366th
500th
866th662nd
798th273rd201st
696th
115th
425th733rd
834th1,949th51st747th
894th
554th256th790th250th
813th
134th293rd
72nd1,129th725th
405th
605th
Emirp Numbers (Long)
92nd
168th
638th
96th
26th293rd
259th
403rd98th201st128th
281st344th
53rd550th480th
181st
Emojify
16th
100th
147th
314th
234th338th
Evil Numbers
219th1,200th
861st2,347th811th1,381st824th
1,546th907th1,281st
385th1,231st
1,263rd2,626th490th1,015th1,675th844th1,777th1,526th2,806th193rd2,385th
506th1,376th
1st1,116th2,577th864th1,273rd1,224th1,028th1,950th574th48th
230th1,200th1,574th1,506th
2,527th2,373rd1,058th
1,165th
Evil Numbers (Long)
84th665th
810th617th1,030th
489th
1,251st
817th
254th564th
1,048th758th335th600th1,244th629th1,159th1,005th
85th1,227th
442nd1,188th
1st517th1,055th841st1,082nd1,103rd607th1,070th475th121st
105th769th883rd986th
587th546th
609th
Factorial Factorisation
17th122nd
70th
352nd
159th94th
303rd
3rd119th168th
80th
158th112th
13th65th317th
109th
Farey Sequence
164th303rd
185th408th
313th
472nd
334th
185th363rd
31st211th
246th270th340th
82nd
183rd3rd
483rd437th77th
376th
Fibonacci
221st2,894th5,669th3,442nd1,193rd2,755th6,319th1,923rd445th646th3,733rd5,392nd3,583rd2,537th388th1,890th1,115th2,023rd981st866th990th3,641st1,009th1st412th3,196th2,917th2,797th6,776th229th2,012th5,001st2,044th527th2,605th2,205th2,774th2,740th381st1,217th1,868th56th
47th1,206th356th3,347th
2,485th2,111th2,130th958th8,676th1,885th
Fizz Buzz
646th2,133rd
636th4,104th2,113th2,135th1,330th2,060th1,633rd3,798th
2,898th1,166th1,232nd1,620th1,755th1,804th8,271st5,058th2,002nd
3,619th4,925th1,274th6,331st5,519th1,238th694th23rd712th2,698th4,510th657th3,810th4,217th
3,770th504th4,480th3,813th613th
463rd4,797th2,710th1,856th
1,579th1,866th
1,862nd
Foo Fizz Buzz Bar
363rd505th
957th445th
855th
1,801st
189th
907th
926th
1,813th512th
2,001st
1,886th918th
581st213th
442nd895th938th
1,876th139th796th792nd2nd
174th946th1,529th
298th
489th
Forsyth–Edwards Notation
66th289th
135th
398th
91st
166th171st
71st196th329th
24th
186th
140th147th29th
72nd
Fractions
360th495th
455th
1,134th
569th
317th
239th513th
664th
548th
321st
753rd882nd623rd
415th327th
141st444th10th
314th
Game of Life
235th
127th
31st100th349th
Gijswijt’s Sequence
80th250th
130th162nd
213th
97th
320th
69th101st
66th
55th85th
93rd256th230th
161st
111th33rd
11th317th120th
311th
Happy Numbers
801st832nd1,127th
835th1,405th1,110th1,043rd
1,224th304th677th
833rd373rd
188th
498th1,002nd
628th1,840th
980th
864th608th
336th870th925th729th
1,055th1,037th
167th450th
46th645th1,227th1,377th
1,689th290th
254th
Happy Numbers (Long)
102nd433rd
248th315th
788th
286th
66th837th
264th
184th334th
131st397th
281st
221st
27th144th604th288th
914th
232nd50th
10th290th534th
264th
267th
Hexdump
169th
130th
98th
91st
319th182nd
135th211th276th
133rd19th
67th
473rd
74th
Hilbert Curve
133rd
Intersection
243rd351st
223rd
168th
166th
426th243rd
80th330th325th
653rd15th
45th389th395th
212th
Inventory Sequence
26th316th
157th416th
352nd
374th527th
545th
467th
629th
479th256th
370th
167th66th
39th239th144th270th
481st511th
308th87th
435th130th366th
351st
ISBN
12th354th
105th
257th
618th
193rd
546th371st
448th
55th206th
2nd125th484th473rd
760th
323rd6th
221st271st768th
241st
424th
Jacobi Symbol
181st
322nd
489th
109th
114th
80th
16th
191st
106th272nd160th
417th396th
183rd53rd
131st402nd450th
130th
Kaprekar Numbers
168th
295th
430th
299th
Kolakoski Constant
8th266th
145th
132nd
242nd
74th
105th
52nd
66th
35th
Kolakoski Sequence
26th447th
362nd546th1,003rd672nd
687th
283rd
126th574th
354th
299th302nd
361st90th
326th638th
243rd530th
1st314th551st440th
205th318th
273rd152nd
227th367th119th
301st
237th
Leap Years
41st968th
1,155th1,948th209th2,241st566th
267th934th
542nd
56th416th468th198th
229th851st
146th242nd1,044th2,322nd756th
78th673rd
528th447th792nd1,852nd
42nd555th15th354th373rd
6th446th1,242nd1,183rd
1,230th
310th
Levenshtein Distance
658th
436th
88th178th
63rd
445th
284th218th1,012th
26th
676th450th
407th
124th
919th
Leyland Numbers
486th
371st656th
995th
110th
657th
163rd
169th318th
401st
355th303rd
570th
153rd209th627th
235th4th
230th288th628th
210th
ln 2
174th175th
526th
347th
153rd
238th
270th294th
139th
366th315th335th
3rd
196th28th
410th322nd181st
345th
Look and Say
141st348th
205th
555th
317th
511th
369th
184th
425th243rd
627th247th
215th
150th
41st194th320th238th
53rd
326th423rd
64th193rd124th
232nd
237th
Lucky Numbers
12th232nd
167th96th
89th
180th
214th
64th209th
128th
140th155th
108th
243rd
59th147th
164th270th
4th181st119th296th
238th389th177th13th
54th204th168th
142nd
Lucky Tickets
211th226th
171st
410th
127th
204th
235th193rd
62nd
181st141st280th
144th9th
59th165th305th
177th
Mahjong
20th
Maze
76th
Medal Tally
209th
147th
179th
165th
131st136th
119th
232nd90th177th
188th49th
15th92nd322nd
192nd
Minesweeper
125th
Morse Decoder
38th
332nd
124th
380th
144th
53rd79th245th
152nd81st
50th75th285th
213th
Morse Encoder
47th
511th
211th
110th
140th
154th
160th
36th99th374th
Multitap Input
90th
52nd
Musical Chords
246th
N Queens
42nd
9th
Niven Numbers
221st1,071st1,867th331st1,179th574th2,273rd825th946th1,019th1,588th1,310th384th
289th922nd
803rd1,261st1,454th2,330th1,440th985th1,779th333rd3,107th1,636th1,229th3,046th72nd1,065th1,149th459th362nd552nd1,034th1,246th213th660th596th831st227th
54th1,195th1,820th404th
999th790th1,414th
759th
Niven Numbers (Long)
893rd773rd1,680th1,569th512th622nd
692nd298th673rd1,060th
194th
151st1,330th
419th653rd392nd643rd983rd889th1,079th912th
242nd375th1,853rd334th287th170th2nd684th557th668th746th
1,206th490th34th
21st641st73rd499th
550th445th973rd
1,254th
Number Spiral
170th
276th
219th
324th
427th
35th
2nd
594th230th
24th
500th
Odious Numbers
149th1,003rd
303rd1,843rd833rd1,316th604th
1,354th772nd1,044th
242nd1,233rd
876th2,285th1,013th837th
1,199th1,262nd2,434th150th1,610th
379th1,236th
1st665th741st697th851st1,146th759th2,029th439th46th
186th1,304th1,373rd1,163rd
2,389th2,154th1,280th
769th
Odious Numbers (Long)
129th630th
278th580th1,003rd
549th
998th
661st
207th585th
951st
282nd544th1,063rd570th929th904th
130th1,241st
237th1,033rd
1st458th713th891st699th1,046th1,247th901st395th44th
153rd1,039th833rd905th
527th1,011th
564th
Ordinal Numbers
148th492nd
496th
1,145th
817th
524th
503rd501st
544th
597th363rd
581st846th
440th
94th268th
41st172nd568th730th
149th940th
486th195th
108th395th400th
2nd
415th
632nd
PalindromemordnilaP
190th264th
443rd
375th
218th74th
89th
271st325th
38th97th82nd
142nd
Pangram Grep
480th805th
1,370th396th
1,380th
572nd
373rd793rd
109th
1,119th550th
286th476th682nd
742nd
463rd
96th612th174th598th
417th9th
265th484th227th
734th
649th
Partition Numbers
16th228th
161st
58th
Pascal’s Triangle
143rd503rd
330th
2,140th
1,013th
793rd
509th1,070th
926th
891st657th
584th
1st889th
374th232nd
1st202nd654th400th
319th53rd
75th503rd430th
480th
847th
Pernicious Numbers
246th1,110th605th387th808th463rd1,885th474th354th556th915th1,085th995th
247th841st
778th729th1,152nd889th1,143rd699th1st1,613th1,413th124th1,366th2,106th174th1,380th796th26th408th531st899th861st219th298th150th764th40th
110th1,045th516th430th
1,815th880th593rd927th
648th
Pernicious Numbers (Long)
128th429th
456th326th
364th
379th
72nd
138th666th
1st750th
811th
222nd170th329th359th
189th38th
35th353rd296th
600th
Poker
82nd
Prime Numbers
372nd1,132nd
1,504th1,703rd1,127th2,387th528th
1,248th976th1,150th
1,580th1,220th
613th
254th1,972nd2,057th
1,776th332nd3,670th1st560th
178th2,107th
1st386th1,658th1,623rd
318th1,234th
574th122nd
222nd1,292nd1,299th919th
1,798th2,496th904th
659th
Prime Numbers (Long)
363rd1,230th
991st935th
920th
1,242nd
611th
496th881st
685th
172nd1,054th1,215th
1,406th959th
1st671st
1,064th1,114th995th1st519th638th937th
1,037th
768th112th
167th1,339th328th452nd
762nd
594th
Proximity Grid
302nd
QR Decoder
135th
Quine
1st1,584th4,167th275th3,046th3,283rd2,185th4,396th1,522nd4,196th3,043rd3,651st3,019th654th1,699th1,922nd
1,802nd4,138th4,029th619th
3,548th737th2,042nd
1,937th3,924th245th1,709th1,440th
1,339th1,740th1,944th1,779th551st3,066th4,037th1,888th170th
607th2,518th479th3,594th3,388th1,827th2,287th1,764th5,183rd
2,294th2,608th
Recamán
48th368th
205th298th
320th
505th
59th312th
210th
133rd291st
214th
155th
24th210th
120th86th141st387th
555th189th
304th6th
22nd172nd40th
365th
138th
Repeating Decimals
52nd
116th
272nd
75th131st142nd
102nd14th
1st130th106th
97th
Reverse Polish Notation
135th407th
245th
253rd
344th179th
1st
394th
219th
502nd91st176th379th
153rd
291st74th
568th284th699th
213th
Reversi
305th
38th
186th
215th
101st
201st47th
28th
192nd
79th
Rijndael S-box
335th
383rd
68th
69th320th
225th
297th
42nd
Rock-paper-scissors-Spock-lizard
39th
950th
118th
139th
428th122nd
45th234th
127th52nd
21st
704th
280th
Roman to Arabic
460th
989th
274th
139th
72nd
405th
836th447th
426th
369th23rd
404th
482nd
270th
ROT13
139th575th
297th
312th
298th394th
Rule 110
87th144th
154th
550th
305th
116th
121st175th
341st
95th329th151st
712th
100th50th
155th130th40th
157th
Scrambled Sort
219th
176th212th
Set
315th
120th
251st
Seven Segment
90th169th
255th
501st
183rd
131st
251st156th
46th108th223rd
250th
414th44th
35th483rd
446th
Sierpiński Triangle
38th191st
427th
325th
373rd
414th
216th
163rd178th
526th
329th368th266th
388th
324th155th
6th344th399th
Smith Numbers
31st
309th
127th
144th
65th
258th302nd
13th261st
231st
221st105th371st125th
217th39th
15th98th355th
53rd
Spelling Numbers
197th
261st1st
166th220th
120th
296th
256th202nd
78th
154th
Star Wars GPT
47th
149th
Star Wars Opening Crawl
280th
23rd
249th
Sudoku
46th
Sudoku (Fill-in)
37th
Ten-pin Bowling
272nd
360th
90th
389th
263rd
244th
184th141st99th
132nd53rd
17th
Tic-tac-toe
198th
360th
42nd
210th
Time Distance
159th
300th
44th
86th
49th210th198th
99th111th
389th
Tongue-twisters
1,128th
421st
303rd
1,083rd132nd
115th
687th
238th
762nd
67th
Topological Sort
52nd
16th
140th
52nd
Tower of Hanoi
35th695th
182nd
292nd
345th227th388th
Transpose Sentence
244th302nd
527th
337th
148th
164th313th
585th476th
81st214th412th
415th
Trinomial Triangle
25th146th
United States
210th
418th
506th
431st
215th
104th
178th457th9th382nd
397th
Vampire Numbers
89th
28th
207th217th
307th
191st
251st
166th37th
11th
387th
169th
Van Eck Sequence
34th336th
228th466th
366th
296th
107th318th446th239th
254th307th
1st653rd
401st
74th146th
368th125th333rd512th
73rd81st
179th13th
91st253rd61st
237th
185th
Zeckendorf Representation
55th211th
237th
147th
107th
297th251st
152nd24th
22nd124th348th
200th
Zodiac Signs
37th
148th
92nd122nd
92nd145th191st
107th
338th
111th
γ
1st
λ
668th
326th
23rd
π
314th68th
429th
470th
516th
485th285th
343rd
266th265th
546th550th
163rd
295th
7th
249th234th267th
163rd
125th83rd
461st284th411th
280th
τ
266th99th
396th
429th
458th
439th
382nd
222nd267th
486th503rd
230th
173rd
15th
262nd255th269th
126th
114th61st
300th284th358th
295th
φ
252nd304th
427th
772nd
289th
448th671st
356th
377th410th
675th235th
171st
1,086th197th
213th
421st373rd411th
46th
253rd13th
8th406th320th
384th
√2
268th286th
518th
613th
347th
307th756th
400th
434th466th
757th271st
392nd
436th
140th
406th418th459th
110th
283rd4th
136th450th377th
257th
𝑒
406th269th
526th
1,375th
376th
290th754th
342nd
479th409th
870th438th
233rd
181st
20th530th496th481st602nd
243rd
280th70th
168th422nd172nd
370th