12 Days of Christmas
453rd
800th
551st
1,743rd650th
2,827th
1,855th228th
272nd
188th
28th807th204th
632nd52nd
123rd265th1,566th
290th
932nd
24 Game
320th
99 Bottles of Beer
895th200th
748th
306th
1,331st
509th
328th
385th164th
145th
113th740th390th
150th222nd
33rd148th116th
75th
718th
Abundant Numbers
138th987th
868th2,105th1,444th2,402nd650th1,582nd722nd1,071st972nd1,169th
378th1,225th1,205th522nd
1,414th2,610th
823rd54th1,972nd418th1,999th
424th423rd
95th1,293rd2,530th741st
1,339th529th1,578th893rd385th
36th325th1,881st475th
1,615th288th
1,208th
Abundant Numbers (Long)
154th522nd
353rd585th
592nd
615th1,451st
1,045th
89th639th932nd982nd
805th570th
1,216th100th
409th245th
475th232nd
3rd158th396th1,300th
1,725th128th986th1,449th64th
33rd421st502nd133rd
267th332nd
442nd
Arabic to Roman
208th290th
613th
865th
23rd
224th
79th
327th462nd
631st
218th373rd
Arithmetic Numbers
124th395th
441st481st
1,081st
616th
180th369th
129th
91st377th411th728th
836th17th
394th280th863rd
488th
Arrows
173rd141st
222nd
444th
104th
176th
216th137th
114th
275th
242nd163rd51st161st
360th6th
72nd138th409th
82nd
Ascending Primes
319th
967th
262nd
329th
47th347th
74th
424th
44th
340th
ASCII Table
112th190th
146th
788th
227th
840th
131st266th
648th
154th
443rd210th
128th437th192nd
106th125th
108th419th742nd
152nd
284th
Billiards
282nd
17th144th
brainfuck
82nd208th
135th
237th
480th
126th
220th
136th
399th129th
94th
336th
567th36th302nd201st
128th24th
23rd166th375th
134th
Calendar
106th
Card Number Validation
268th241st
443rd
485th
48th94th
144th110th
195th364th
437th
32nd135th
Catalan Numbers
1st534th
738th
552nd
634th
414th616th
395th
413th764th
674th220th463rd14th
142nd
1,316th564th609th604th
466th30th
113th
118th
557th
Catalan’s Constant
61st132nd
163rd
334th
96th
3rd
63rd128th
58th
244th
82nd
Christmas Trees
631st188th
161st
592nd
447th
55th
258th
420th243rd
2,096th410th
312th
164th155th440th
875th
629th263rd
102nd141st541st
790th
218th
Collatz
77th466th
640th247th
593rd
1,115th
772nd
323rd461st634th
583rd369th
1,118th565th
307th
4th204th
329th296th298th495th
737th223rd
320th76th
227th440th455th
466th
473rd
Continued Fractions
125th
51st
CSS Colors
602nd
292nd
78th
230th1st271st
68th496th
255th
Cubes
73rd
436th
134th
170th
181st
Day of Week
687th
592nd
884th
433rd
472nd
334th708th
111th
422nd472nd1,134th
1st762nd65th
565th
834th
450th
DFA Simulator
139th
298th
38th
115th
14th
76th73rd
164th3rd
49th
20th
109th
Diamonds
222nd147th
109th
391st
265th
87th
385th139th
424th
540th
505th174th233rd508th
187th194th
70th410th656th726th
383rd
253rd
Divisors
190th1,450th
2,403rd909th1,799th4,459th967th192nd1,457th1,736th
1,337th
1,053rd959th
814th
2,435th923rd
1,158th394th213th1,481st1st804th3,760th149th1,446th
19th276th1,109th1,452nd
920th184th
1,103rd36th
28th2,175th1,012th326th
995th888th
780th
Emirp Numbers
698th366th
500th
866th662nd
798th273rd201st
696th
117th
425th733rd
834th1,951st51st747th
894th
554th256th790th250th
813th
134th293rd
72nd1,130th725th
405th
605th
Emirp Numbers (Long)
92nd
168th
639th
96th
26th293rd
259th
404th98th201st128th
281st345th
53rd551st482nd
182nd
Emojify
16th
100th
147th
314th
234th338th
Evil Numbers
220th1,202nd
844th2,350th813th1,383rd826th
1,548th909th1,283rd
386th1,233rd
1,265th2,630th492nd1,017th1,678th847th1,780th1,530th2,810th194th2,388th
508th1,378th
1st1,118th2,580th866th1,275th1,226th1,030th1,952nd576th48th
231st1,202nd1,576th1,508th
2,530th2,376th1,060th
1,167th
Evil Numbers (Long)
84th665th
770th617th1,033rd
489th
1,254th
817th
255th565th
1,051st758th335th600th1,247th629th1,167th1,008th
85th1,231st
442nd1,192nd
1st517th1,058th841st1,086th1,107th607th1,074th475th121st
105th769th883rd988th
587th546th
609th
Factorial Factorisation
17th122nd
70th
355th
159th94th
307th
3rd119th168th
80th
158th112th
13th65th321st
109th
Farey Sequence
164th303rd
185th409th
315th
473rd
334th
185th363rd
31st211th
246th270th342nd
82nd
183rd3rd
484th438th77th
376th
Fibonacci
222nd2,900th5,683rd3,450th1,198th2,761st6,334th1,928th447th649th3,741st5,404th3,591st2,543rd390th1,895th1,120th2,029th986th893rd995th3,649th1,014th1st414th3,202nd2,922nd2,791st6,793rd230th2,018th5,012th2,050th529th2,611th2,211th2,780th2,746th383rd1,222nd1,873rd56th
47th1,216th358th3,354th
2,490th2,128th2,147th963rd8,696th1,890th
Fizz Buzz
646th2,068th
636th4,104th2,121st2,140th1,331st2,070th1,634th3,780th
2,902nd1,167th1,236th1,621st1,705th1,806th8,303rd5,067th2,000th
3,625th4,934th1,275th6,331st5,529th1,239th694th23rd713th2,701st4,524th657th3,781st4,205th
3,776th504th4,490th3,821st613th
463rd4,805th2,714th1,861st
1,582nd1,867th
1,845th
Foo Fizz Buzz Bar
363rd505th
958th445th
856th
1,806th
189th
911th
927th
1,818th512th
2,006th
1,892nd919th
581st216th
442nd896th939th
1,882nd139th796th792nd2nd
174th947th1,533rd
298th
489th
Forsyth–Edwards Notation
69th291st
132nd
399th
179th
169th174th
73rd199th328th
24th
189th
143rd153rd29th
74th
Fractions
361st496th
456th
1,137th
570th
317th
239th514th
665th
549th
322nd
754th884th624th
415th327th
141st444th10th
314th
Game of Life
235th
127th
31st100th349th
Gijswijt’s Sequence
81st251st
130th163rd
214th
97th
321st
69th101st
66th
55th86th
93rd257th231st
162nd
112th33rd
11th318th122nd
312th
Gray Code Encoder
300th
153rd
Happy Numbers
801st833rd1,129th
836th1,410th1,112th1,046th
1,227th304th677th
834th373rd
188th
498th1,004th
628th1,846th
982nd
865th608th
336th871st927th729th
1,057th1,039th
167th450th
46th645th1,230th1,382nd
1,695th291st
255th
Happy Numbers (Long)
102nd433rd
248th315th
790th
286th
66th839th
264th
185th334th
131st397th
282nd
222nd
27th144th607th288th
919th
232nd50th
10th290th536th
264th
267th
Hexdump
169th
130th
98th
91st
320th182nd
135th211th277th
133rd19th
67th
475th
74th
Hilbert Curve
133rd
Intersection
245th354th
225th
170th
169th
429th245th
80th334th328th
659th15th
45th393rd398th
214th
Inventory Sequence
26th316th
157th418th
351st
374th528th
547th
468th
631st
480th256th
370th
167th66th
39th239th145th271st
482nd512th
309th87th
436th131st366th
356th
ISBN
12th354th
105th
257th
619th
193rd
547th372nd
448th
55th206th
2nd125th484th473rd
761st
324th6th
221st271st769th
241st
425th
Jacobi Symbol
185th
330th
495th
109th
116th
81st
16th
194th
107th277th163rd
425th404th
188th55th
135th410th459th
133rd
Kaprekar Numbers
169th
296th
432nd
300th
Kolakoski Constant
8th268th
145th
133rd
244th
74th
105th
53rd
66th
35th
Kolakoski Sequence
26th448th
364th547th1,006th673rd
689th
280th
126th575th
356th
301st305th
363rd90th
328th639th
244th531st
1st316th552nd441st
208th320th
274th152nd
227th369th107th
303rd
236th
Leap Years
41st968th
1,155th1,952nd209th2,245th566th
267th934th
537th
56th417th469th198th
229th851st
146th242nd1,044th2,326th757th
78th674th
528th448th793rd1,856th
42nd555th15th355th374th
6th447th1,243rd1,184th
1,231st
311th
Levenshtein Distance
659th
437th
88th178th
63rd
446th
284th218th1,013th
26th
677th451st
408th
124th
920th
Leyland Numbers
486th
371st657th
997th
110th
658th
163rd
169th318th
401st
356th303rd
572nd
153rd209th628th
235th4th
230th288th629th
210th
ln 2
175th176th
527th
349th
154th
239th
271st296th
140th
367th317th337th
3rd
197th28th
411th324th182nd
347th
Look and Say
141st348th
205th
556th
317th
512th
370th
186th
426th243rd
628th247th
215th
150th
41st194th321st238th
53rd
327th424th
64th193rd124th
232nd
237th
Lucky Numbers
12th232nd
168th96th
89th
181st
214th
64th209th
128th
141st156th
108th
243rd
59th148th
165th270th
4th182nd121st296th
238th389th179th13th
57th204th169th
143rd
Lucky Tickets
212th226th
171st
411th
127th
204th
235th193rd
62nd
181st141st281st
144th9th
59th165th306th
177th
Mahjong
20th
Maze
76th
Medal Tally
210th
148th
180th
166th
131st138th
119th
234th90th178th
190th49th
15th92nd324th
194th
Minesweeper
125th
Morse Decoder
38th
334th
124th
382nd
145th
53rd79th247th
152nd81st
50th75th287th
215th
Morse Encoder
47th
514th
212th
110th
140th
154th
160th
36th99th377th
Multitap Input
91st
52nd
Musical Chords
248th
N Queens
42nd
9th
Niven Numbers
223rd1,076th1,873rd333rd1,184th590th2,278th829th959th1,024th1,594th1,315th386th
297th927th
791st1,266th1,458th2,335th1,444th990th1,785th335th3,117th1,641st1,234th3,056th74th1,070th1,154th463rd364th551st1,039th1,251st215th664th578th847th229th
56th1,200th1,826th406th
1,004th810th1,418th
763rd
Niven Numbers (Long)
893rd773rd1,686th1,575th512th622nd
692nd350th673rd1,061st
189th
151st1,333rd
406th653rd392nd643rd984th889th1,080th912th
243rd377th1,860th313th287th170th2nd684th557th668th746th
1,209th498th34th
21st641st73rd483rd
550th445th974th
1,257th
Number Spiral
171st
275th
217th
320th
428th
35th
2nd
598th230th
24th
502nd
Odious Numbers
151st1,008th
306th1,845th836th1,319th607th
1,357th775th1,047th
244th1,236th
879th2,289th1,020th840th
1,202nd1,265th2,438th152nd1,613th
382nd1,239th
1st668th744th700th854th1,149th762nd2,028th442nd46th
188th1,312th1,376th1,166th
2,393rd2,158th1,283rd
772nd
Odious Numbers (Long)
131st631st
279th581st1,006th
550th
1,001st
668th
208th586th
953rd
283rd545th1,065th572nd931st906th
132nd1,244th
238th1,036th
1st459th714th893rd700th1,049th1,250th903rd396th44th
155th1,042nd835th907th
528th1,014th
566th
Ordinal Numbers
148th493rd
496th
1,147th
819th
524th
503rd501st
544th
598th363rd
581st848th
440th
94th268th
41st172nd568th732nd
149th942nd
487th195th
108th396th401st
2nd
415th
634th
PalindromemordnilaP
190th264th
445th
373rd
218th74th
91st
271st326th
41st97th82nd
144th
Pangram Grep
483rd806th
1,373rd389th
1,384th
574th
375th794th
109th
1,120th552nd
288th479th683rd
743rd
465th
96th614th174th600th
420th9th
267th486th229th
735th
650th
Partition Numbers
16th228th
161st
58th
Pascal’s Triangle
143rd508th
335th
2,147th
1,018th
798th
514th1,075th
931st
896th662nd
589th
1st894th
379th236th
1st206th659th405th
324th53rd
75th508th435th
485th
852nd
Pernicious Numbers
246th1,110th605th387th808th484th1,887th495th354th556th915th1,085th995th
247th841st
778th729th1,152nd889th1,143rd699th1st1,616th1,414th124th1,367th2,109th174th1,381st796th26th408th531st899th861st219th298th150th764th40th
110th1,045th516th430th
1,818th880th593rd927th
648th
Pernicious Numbers (Long)
128th431st
458th326th
365th
380th
72nd
138th668th
1st752nd
813th
222nd170th329th360th
189th38th
35th357th296th
602nd
Poker
82nd
Prime Numbers
374th1,134th
1,506th1,705th1,129th2,394th529th
1,250th980th1,152nd
1,582nd1,222nd
614th
255th1,975th2,060th
1,778th334th3,676th1st561st
178th2,110th
1st388th1,660th1,625th
320th1,236th
575th122nd
223rd1,294th1,301st922nd
1,800th2,502nd907th
661st
Prime Numbers (Long)
365th1,235th
996th940th
923rd
1,247th
573rd
499th886th
689th
175th1,059th1,220th
1,411th964th
1st675th
1,069th1,119th1,009th1st522nd642nd942nd
1,042nd
785th112th
170th1,344th330th454th
766th
610th
Proximity Grid
303rd
QR Decoder
135th
Quine
1st1,589th4,176th277th3,052nd3,289th2,191st4,406th1,527th4,205th3,049th3,658th3,025th656th1,704th1,928th
1,808th4,147th4,038th621st
3,555th739th2,048th
1,943rd3,933rd247th1,714th1,463rd
1,340th1,745th1,950th1,785th553rd3,072nd4,046th1,894th170th
609th2,524th481st3,601st3,394th1,833rd2,293rd1,770th5,193rd
2,300th2,614th
Recamán
48th368th
205th298th
320th
505th
59th312th
210th
133rd291st
214th
155th
24th210th
120th86th141st387th
555th189th
304th6th
22nd172nd40th
365th
138th
Repeating Decimals
52nd
116th
274th
75th131st144th
102nd14th
1st130th106th
98th
Reverse Polish Notation
136th409th
244th
253rd
346th179th
1st
395th
219th
504th92nd176th380th
153rd
292nd74th
571st285th702nd
214th
Reversi
307th
38th
186th
215th
101st
202nd43rd
28th
192nd
79th
Rijndael S-box
335th
384th
68th
69th320th
225th
297th
42nd
Rock-paper-scissors-Spock-lizard
39th
952nd
118th
139th
428th122nd
45th234th
128th52nd
21st
705th
280th
Roman to Arabic
460th
990th
274th
139th
72nd
405th
838th447th
426th
369th23rd
404th
482nd
270th
ROT13
139th577th
297th
312th
298th395th
Rule 110
87th144th
154th
551st
305th
116th
121st175th
342nd
95th330th151st
715th
100th50th
155th130th40th
157th
Scrambled Sort
221st
180th214th
Set
316th
120th
252nd
Seven Segment
90th169th
256th
502nd
183rd
131st
252nd156th
46th108th223rd
251st
415th44th
35th484th
447th
Sierpiński Triangle
38th191st
427th
327th
375th
414th
217th
163rd178th
526th
330th370th267th
389th
325th155th
6th345th400th
Smith Numbers
31st
307th
127th
145th
65th
259th303rd
13th262nd
231st
221st105th372nd125th
217th40th
15th98th356th
53rd
Spelling Numbers
197th
261st1st
166th220th
121st
296th
256th202nd
78th
154th
Star Wars GPT
47th
149th
Star Wars Opening Crawl
281st
23rd
250th
Sudoku
46th
Sudoku (Fill-in)
37th
Ten-pin Bowling
273rd
361st
90th
390th
264th
245th
184th141st99th
132nd53rd
17th
Tic-tac-toe
198th
361st
42nd
210th
Time Distance
160th
301st
44th
86th
49th211th199th
99th111th
390th
Tongue-twisters
1,133rd
422nd
303rd
1,088th132nd
115th
691st
238th
766th
67th
Topological Sort
52nd
16th
143rd
52nd
Tower of Hanoi
35th701st
184th
294th
350th229th390th
Transpose Sentence
245th304th
529th
338th
148th
168th314th
587th478th
81st216th413th
416th
Trinomial Triangle
25th147th
United States
210th
420th
507th
433rd
216th
104th
178th459th9th384th
400th
Vampire Numbers
91st
28th
207th217th
308th
191st
252nd
166th37th
11th
388th
169th
Van Eck Sequence
34th350th
237th479th
380th
306th
106th331st459th246th
261st317th
1st665th
413th
74th151st
382nd126th347th524th
73rd81st
182nd13th
91st260th61st
297th
187th
Zeckendorf Representation
55th211th
238th
147th
108th
298th252nd
152nd24th
22nd124th349th
201st
Zodiac Signs
37th
148th
93rd122nd
93rd146th191st
107th
339th
111th
γ
1st
λ
670th
327th
23rd
π
315th68th
430th
471st
517th
486th286th
344th
267th266th
547th551st
163rd
296th
7th
249th234th268th
163rd
125th83rd
462nd285th412th
281st
τ
266th99th
396th
429th
458th
439th
382nd
222nd267th
486th503rd
230th
173rd
15th
262nd255th269th
126th
114th61st
300th284th358th
295th
φ
252nd305th
430th
774th
290th
451st673rd
359th
379th413th
678th235th
171st
1,092nd197th
213th
425th375th414th
46th
253rd13th
8th409th321st
387th
√2
269th287th
518th
613th
348th
308th757th
401st
435th466th
758th272nd
393rd
437th
141st
407th419th459th
111th
284th4th
137th451st379th
258th
𝑒
410th272nd
529th
1,380th
380th
292nd758th
346th
482nd413th
875th443rd
236th
182nd
119th534th499th484th606th
246th
283rd20th
169th426th173rd
374th