12 Days of Christmas
436th
767th
530th
2,041st625th
2,729th
1,792nd212th
259th
181st
26th775th190th
610th48th
113th249th1,452nd
276th
893rd
24 Game
298th
99 Bottles of Beer
864th
723rd
287th
1,294th
488th
307th
364th154th
141st
105th713th368th
139th207th
29th144th93rd
71st
690th
Abundant Numbers
127th
823rd2,030th1,356th2,275th594th1,485th678th1,012th918th1,095th
333rd1,148th1,023rd406th
1,330th2,482nd
768th47th1,878th378th1,897th
387th326th
84th1,214th2,412th685th
1,240th484th1,476th840th345th
31st285th1,779th439th
1,604th256th
1,132nd
Abundant Numbers (Long)
142nd
342nd536th
531st
563rd1,351st
996th
76th580th853rd898th
735th521st
1,128th91st
371st233rd
437th209th
3rd143rd374th1,201st
1,580th119th908th1,348th63rd
31st385th463rd124th
247th304th
392nd
Arabic to Roman
194th
591st
834th
18th
209th
70th
309th446th
611th
203rd365th
Arithmetic Numbers
113th
425th442nd
1,015th
585th
171st364th
118th
81st360th399th690th
792nd16th
116th258th596th
458th
Arrows
158th
214th
422nd
92nd
175th
199th123rd
99th
264th
221st151st49th160th
329th6th
65th124th385th
79th
Ascending Primes
312th
917th
264th
324th
50th337th
73rd
399th
45th
373rd
331st
ASCII Table
108th
145th
758th
218th
754th
122nd252nd
621st
102nd
430th199th
96th481st183rd
104th119th
107th404th709th
147th
270th
Billiards
16th129th
brainfuck
81st
132nd
233rd
466th
125th
211th
133rd
379th128th
99th
325th
554th36th297th191st
127th24th
23rd164th362nd
129th
Card Number Validation
232nd
401st
350th
40th75th
126th94th
174th333rd
395th
30th122nd
Catalan Numbers
1st
696th
521st
607th
402nd583rd
380th
396th725th
637th215th438th14th
136th
1,253rd540th593rd576th
463rd30th
107th
112th
525th
Catalan’s Constant
59th
158th
321st
95th
3rd
62nd120th
57th
235th
81st
Christmas Trees
578th
163rd
503rd
406th
81st
259th
378th222nd
1,994th370th
281st
152nd148th398th
815th
577th239th
92nd134th493rd
733rd
199th
Collatz
76th
629th261st
577th
989th
756th
341st467th615th
569th376th
1,083rd553rd
312th
4th216th
347th237th304th487th
709th208th
338th78th
212th443rd36th
370th
473rd
CSS Colors
583rd
286th
76th
224th1st270th
65th485th
254th
Cubes
72nd
421st
130th
165th
174th
Day of Week
655th
603rd
833rd
401st
450th
321st671st
100th
383rd465th1,003rd
1st721st61st
541st
792nd
424th
DFA Simulator
285th
35th
108th
12th
65th72nd
158th3rd
44th
18th
100th
Diamonds
207th
107th
370th
243rd
81st
365th138th
395th
499th
462nd162nd221st432nd
169th181st
64th383rd605th658th
360th
236th
Divisors
187th
2,320th897th1,867th4,372nd937th188th1,401st1,676th
1,286th
1,024th927th
768th
2,359th887th
1,096th383rd208th1,429th1st777th3,662nd146th1,393rd
19th269th1,073rd1,399th
884th180th
1,064th35th
28th2,108th985th319th
966th864th
754th
Emirp Numbers
664th
485th
822nd627th
759th264th193rd
662nd
109th
407th697th
793rd1,898th50th709th
848th
525th250th748th243rd
771st
130th284th
71st1,088th689th
388th
574th
Emirp Numbers (Long)
93rd
165th
610th
48th161st
22nd207th
251st
392nd105th204th126th
268th664th
52nd536th304th
181st
Emojify
16th
96th
143rd
298th
222nd322nd
Evil Numbers
184th
804th2,287th776th1,307th787th
1,476th872nd1,202nd
364th1,157th
1,190th2,538th474th974th1,606th808th1,705th1,460th2,724th185th2,305th
490th1,303rd
1st1,063rd2,501st833rd1,256th1,159th985th1,878th560th45th
220th1,132nd1,501st1,435th
2,445th2,294th1,005th
1,098th
Evil Numbers (Long)
78th
733rd591st995th
468th
1,201st
773rd
246th537th
1,004th725th324th570th1,194th603rd1,115th959th
79th1,144th
438th1,145th
1st495th1,021st798th1,040th1,055th577th1,026th424th115th
99th732nd829th939th
559th516th
581st
Factorial Factorisation
22nd
79th
334th
158th91st
288th
3rd114th164th
75th
155th105th
16th65th258th
102nd
Farey Sequence
146th
173rd385th
312th
450th
331st
173rd349th
29th207th
232nd276th336th
79th
183rd3rd
459th263rd75th
363rd
Fibonacci
215th5,432nd3,327th1,160th2,641st6,083rd1,863rd431st623rd3,571st5,164th3,420th2,438th382nd1,825th1,079th1,984th951st856th960th3,491st979th1st399th3,057th2,781st2,735th6,515th223rd1,973rd4,784th1,946th508th2,463rd2,125th2,661st2,614th371st1,789th1,804th55th
46th1,857th348th3,198th
2,423rd2,032nd2,056th928th8,382nd1,821st
Fizz Buzz
644th
625th4,012th2,076th2,086th1,306th1,997th1,603rd3,708th
2,846th1,150th1,215th1,591st1,721st1,758th8,129th4,948th2,044th
3,540th4,817th1,238th6,203rd5,399th1,223rd679th23rd700th2,651st4,407th646th3,721st4,121st
3,688th498th4,378th3,724th604th
458th4,692nd2,669th1,815th
1,551st1,831st
1,827th
Foo Fizz Buzz Bar
353rd
919th438th
818th
1,742nd
182nd
871st
890th
1,753rd486th
1,936th
1,827th881st
550th205th
430th865th910th
1,817th129th758th754th2nd
167th904th1,515th
289th
473rd
Forsyth–Edwards Notation
65th
132nd
382nd
90th
155th161st
71st196th276th
23rd
178th
138th143rd28th
70th
Fractions
335th
425th
1,062nd
534th
290th
207th475th
615th
508th
312th
714th842nd473rd
384th295th
128th414th10th
287th
Game of Life
236th
118th
30th96th304th
Gijswijt’s Sequence
71st
113th139th
194th
86th
297th
62nd88th
59th
47th75th
83rd231st208th
138th
99th31st
6th293rd198th
288th
Happy Numbers
763rd1,081st
798th1,274th1,065th997th
1,178th291st648th
794th357th
180th
475th963rd
602nd1,780th
941st
824th584th
324th828th889th696th
1,009th994th
158th430th
44th636th1,180th1,334th
1,633rd278th
243rd
Happy Numbers (Long)
108th
232nd306th
748th
268th
65th793rd
250th
182nd321st
141st371st
262nd
128th
2nd139th583rd274th
868th
214th48th
28th272nd505th
250th
253rd
Hexdump
125th
91st
84th
309th172nd
63rd201st203rd
128th18th
60th
458th
69th
Hilbert Curve
130th
Intersection
234th
219th
134th
162nd
413th234th
77th328th210th
639th14th
47th378th339th
168th
Inventory Sequence
23rd
158th385th
326th
345th491st
498th
435th
587th
448th242nd
239th
160th62nd
36th224th138th262nd
450th474th
281st91st
405th121st342nd
325th
ISBN
7th
101st
638th
214th
598th
176th
529th366th
432nd
52nd130th
2nd106th470th377th
735th
312th6th
213th263rd743rd
231st
360th
Jacobi Symbol
167th
302nd
465th
107th
111th
73rd
17th
178th
102nd262nd149th
392nd373rd
50th
125th379th426th
124th
Kaprekar Numbers
399th
226th
Kolakoski Constant
7th
137th
127th
231st
38th
108th
49th
61st
30th
Kolakoski Sequence
22nd
348th522nd970th643rd
661st
270th
115th551st
343rd
286th289th
353rd86th
315th612th
235th506th
1st304th528th416th
197th306th
258th145th
215th356th113th
288th
229th
Leap Years
95th
1,123rd1,879th213th2,176th580th
262nd914th
556th
110th418th520th200th
226th850th
155th243rd1,023rd2,250th735th
36th446th
542nd455th779th1,853rd
96th569th13th354th373rd
5th452nd1,194th1,112th
1,184th
322nd
Levenshtein Distance
636th
415th
106th171st
90th
428th
266th211th921st
36th
650th434th
387th
56th
883rd
Leyland Numbers
364th636th
961st
105th
637th
156th
163rd304th
392nd
347th293rd
552nd
146th214th616th
231st4th
227th282nd611th
208th
ln 2
165th
501st
327th
146th
224th
255th284th
133rd
241st308th323rd
3rd
185th28th
386th304th169th
328th
Look and Say
135th
194th
527th
308th
486th
355th
174th
278th232nd
601st237th
204th
144th
39th186th312th228th
51st
314th411th
61st187th119th
222nd
226th
Lucky Numbers
11th
150th86th
76th
168th
202nd
58th199th
112th
127th142nd
98th
232nd
51st132nd
147th257th
4th92nd117th281st
226th371st165th12th
49th194th156th
129th
Lucky Tickets
195th
157th
385th
121st
188th
216th178th
56th
133rd129th244th
141st8th
54th153rd283rd
164th
Mahjong
18th
Maze
65th
Medal Tally
137th
167th
155th
122nd128th
113th
241st89th138th
174th43rd
13th83rd284th
177th
Minesweeper
40th
Morse Decoder
34th
315th
117th
362nd
132nd
48th81st125th
142nd79th
47th72nd252nd
198th
Morse Encoder
45th
493rd
195th
100th
131st
143rd
146th
32nd91st359th
Musical Chords
231st
N Queens
45th
7th
Niven Numbers
263rd1,794th308th1,133rd547th2,194th808th908th976th1,517th1,258th384th
274th886th
778th1,194th1,391st2,248th1,375th941st1,705th318th3,017th1,566th1,183rd2,922nd63rd1,024th1,101st523rd343rd558th1,007th1,212th200th635th587th793rd208th
46th1,158th1,747th410th
956th760th1,349th
715th
Niven Numbers (Long)
859th1,616th1,509th492nd591st
703rd336th644th1,020th
183rd
141st1,281st
398th626th386th611th942nd854th1,034th875th
227th357th1,792nd298th273rd160th2nd660th537th655th727th
1,159th464th33rd
21st623rd70th471st
516th410th933rd
1,207th
Number Spiral
257th
199th
282nd
402nd
20th
8th
552nd212th
27th
326th
Odious Numbers
140th
290th1,798th815th1,264th582nd
1,304th746th1,003rd
232nd1,180th
853rd2,222nd979th819th
1,143rd1,209th2,371st141st1,556th
369th1,184th
1st644th714th674th833rd1,102nd726th1,970th426th43rd
177th1,251st1,323rd1,112th
2,324th2,107th1,225th
743rd
Odious Numbers (Long)
144th
269th561st961st
526th
956th
632nd
199th563rd
906th
273rd513th1,021st547th887th862nd
121st1,193rd
231st990th
1st430th683rd803rd667th1,014th1,200th859th382nd41st
145th998th795th873rd
504th969th
541st
Ordinal Numbers
153rd
483rd
1,134th
825th
540th
491st487th
532nd
594th362nd
581st859th
433rd
93rd265th
40th211th559th480th
154th921st
475th165th
105th390th395th
2nd
408th
625th
PalindromemordnilaP
167th
406th
347th
199th76th
82nd
243rd296th
45th85th78th
122nd
Pangram Grep
453rd
1,305th381st
1,315th
538th
344th751st
104th
712th513th
261st457th648th
698th
448th
91st434th170th568th
412th9th
241st459th327th
692nd
647th
Partition Numbers
16th
133rd
46th
Pascal’s Triangle
133rd
363rd
2,082nd
976th
763rd
485th1,048th
894th
858th622nd
561st
1st856th
344th228th
1st178th624th383rd
322nd49th
70th482nd414th
459th
812th
Pernicious Numbers
254th593rd398th779th485th1,784th497th368th513th881st1,035th958th
235th820th
740th683rd1,096th855th1,088th652nd1st1,538th1,340th119th1,304th1,981st168th1,307th767th24th341st539th865th838th210th285th145th727th38th
105th1,001st470th418th
1,715th811th581st892nd
615th
Pernicious Numbers (Long)
123rd
484th310th
344th
360th
69th
133rd623rd
1st704th
749th
210th395th404th499th
178th38th
35th343rd283rd
557th
Poker
76th
Prime Numbers
356th
1,435th1,617th1,066th2,281st494th
1,188th911th1,091st
1,517th1,153rd
571st
237th1,875th1,956th
1,679th316th3,554th1st545th
167th2,016th
1st368th1,599th1,546th
303rd1,150th
519th115th
211th1,220th1,223rd869th
1,699th2,376th863rd
620th
Prime Numbers (Long)
349th
924th863rd
848th
866th
547th
471st802nd
648th
160th980th1,146th
1,317th886th
1st627th
987th1,103rd927th1st495th598th870th
968th
714th106th
155th1,259th313th433rd
711th
559th
Proximity Grid
287th
QR Decoder
129th
Quine
33rd3,919th262nd1,888th3,070th2,048th4,132nd1,344th3,942nd2,821st3,398th2,799th1,261st1,619th1,820th
1,737th3,881st1,643rd1,585th
3,423rd1,135th1,880th
1,881st3,635th234th1,773rd1,453rd
1,161st1,632nd1,830th1,649th478th2,831st3,812th1,797th163rd
1,123rd2,398th1st3,343rd3,173rd1,690th2,159th1,763rd4,887th
2,168th2,455th
Recamán
45th
199th285th
310th
486th
57th299th
203rd
123rd282nd
208th
149th
22nd203rd
116th83rd145th373rd
536th180th
291st5th
20th168th38th
353rd
131st
Repeating Decimals
51st
111th
261st
71st125th136th
98th13th
1st124th102nd
90th
Reverse Polish Notation
130th
715th
235th
240th
327th172nd
1st
380th
209th
482nd94th169th190th
150th
279th72nd
551st270th672nd
204th
Reversi
288th
35th
174th
202nd
95th
190th42nd
21st
181st
79th
Rijndael S-box
279th
358th
78th
79th296th
210th
239th
46th
Rock-paper-scissors-Spock-lizard
33rd
923rd
109th
124th
411th113th
39th223rd
119th45th
17th
688th
267th
Roman to Arabic
439th
952nd
254th
115th
64th
390th
800th414th
411th
351st20th
388th
465th
253rd
ROT13
113th
283rd
255th
293rd235th
Rule 110
83rd
147th
532nd
291st
106th
117th167th
327th
120th315th148th
692nd
96th48th
149th124th35th
151st
Scrambled Sort
212th
167th193rd
Set
294th
115th
159th
Seven Segment
80th
245th
491st
146th
125th
243rd152nd
45th104th215th
242nd
406th27th
32nd473rd
444th
Sierpiński Triangle
30th
409th
310th
352nd
397th
205th
156th170th
509th
312th347th254th
370th
309th148th
6th326th382nd
Smith Numbers
32nd
237th
116th
134th
52nd
232nd278th
13th101st
179th
201st92nd349th114th
198th36th
14th85th328th
46th
Spelling Numbers
200th
557th1st
168th222nd
125th
300th
266th209th
86th
155th
Star Wars GPT
34th
125th
Star Wars Opening Crawl
271st
21st
240th
Sudoku
44th
Sudoku (Fill-in)
36th
Ten-pin Bowling
256th
336th
94th
361st
246th
225th
164th140th117th
111th46th
15th
Tic-tac-toe
329th
47th
95th
Time Distance
153rd
297th
42nd
87th
47th205th192nd
100th115th
380th
Tongue-twisters
1,080th
402nd
286th
1,037th127th
111th
651st
223rd
724th
66th
Topological Sort
44th
16th
107th
44th
Tower of Hanoi
16th
192nd
195th
46th180th268th
Transpose Sentence
226th
481st
308th
120th
155th303rd
533rd433rd
64th211th316th
380th
Trinomial Triangle
21st115th
United States
207th
400th
494th
419th
210th
97th
172nd444th9th370th
385th
Vampire Numbers
87th
28th
195th207th
122nd
181st
249th
156th35th
11th
368th
160th
Van Eck Sequence
33rd
228th451st
348th
290th
111th310th429th225th
168th298th
1st631st
244th
74th142nd
352nd132nd326th496th
69th77th
169th13th
87th242nd57th
222nd
175th
Zeckendorf Representation
53rd
228th
134th
106th
267th233rd
136th21st
19th115th219th
186th
Zodiac Signs
37th
139th
86th117th
86th136th150th
98th
327th
114th
γ
1st
λ
646th
313th
24th
π
294th
410th
445th
495th
462nd269th
323rd
251st250th
522nd526th
147th
279th
7th
126th221st256th
147th
115th77th
438th278th381st
264th
τ
247th
374th
407th
440th
419th
367th
209th249th
464th482nd
214th
163rd
14th
159th244th255th
111th
107th59th
278th
335th
274th
φ
248th
412th
762nd
280th
445th654th
349th
383rd402nd
658th231st
169th
1,070th190th
209th
288th368th401st
45th
249th13th
8th400th303rd
383rd
√2
256th
500th
595th
331st
292nd728th
400th
420th451st
729th259th
378th
422nd
134th
353rd404th448th
104th
271st4th
130th444th359th
241st
𝑒
390th
508th
1,333rd
357th
278th733rd
328th
464th389th
840th423rd
219th
172nd
18th510th275th475th580th
232nd
265th67th
159th408th163rd
362nd