12 Days of Christmas
148th262nd751st
1,021st828th
202nd581st1,125th
489th1,762nd188th297th💎
191st632nd29th
107th302nd486th2nd576th93rd
19th
22nd12th134th
154th959th209th240th
99 Bottles of Beer
101st76th562nd252nd464th265th377th178th409th209th403rd
114th1,395th146th59th2nd
138th237th7th
45th445th143rd💎37th82nd
21st
5th6th305th
112th759th98th190th
Abundant Numbers
366th196th391st1,951st3,445th315th1,285th728th652nd416th327th
787th2,239th206th292nd552nd45th135th308th2,329th126th249th254th415th491st789th38th294th297th
182nd
30th98th495th
1,703rd119th2,662nd2,649th2,272nd
Abundant Numbers (Long)
623rd307th681st340th
728th
777th561st302nd72nd
316th726th290th488th792nd87th24th217th
54th1,216th56th141st370th
52nd113th363rd
147th457th204th
236th473rd911th1,151st
Arabic to Roman
187th243rd222nd
375th388th
303rd16th174th
267th68th253rd172nd15th
392nd524th97th
344th347th226th61st496th238th
609th
93rd85th219th
341st218th
Arithmetic Numbers
103rd868th
380th449th
268th384th
25th272nd
139th
249th237th
Arrows
47th95th245th
182nd
192nd271st155th
367th157th
💎
150th368th127th
205th160th29th58th
400th
436th13th
101st
Ascending Primes
149th
6th
323rd
227th
ASCII Table
148th453rd160th
207th421st
266th121st
73rd
99th538th
350th
805th
812th640th
brainfuck
339th
184th
504th
78th
128th
56th
386th
134th19th38th295th
36th
8th536th
323rd
Card Number Validation
203rd
154th
37th
Catalan Numbers
1st624th831st
354th
561st330th277th
345th260th575th
422nd386th14th577th955th127th414th
625th612th
436th443rd35th
30th105th
1,129th
Catalan’s Constant
84th88th99th
71st102nd89th148th82nd136th
93rd75th110th106th💎68th263rd127th90th137th2nd
98th108th112th73rd81st60th251st48th
61st46th107th
101st200th155th
Christmas Trees
455th956th161st871st561st325th
269th560th80th
362nd432nd116th274th💎
161st1,163rd33rd70th
150th144th332nd52nd176th14th
22nd
13th11th180th
184th887th293rd1,119th791st
Collatz
143rd563rd595th
587th369th176th
1,079th543rd
260th
288th
4th
86th297th
1,131st
39th261st
CSS Colors
148th
419th146th
220th
341st88th
301st
228th423rd38th
68th
151st95th
173rd
Cubes
72nd
84th
306th
102nd
96th
116th
136th3rd
Day of Week
257th487th
172nd
683rd1,214th
327th594th
501st
553rd196th1st
809th859th
Diamonds
315th213th106th1,924th214th251st225th188th131st177th
183rd326th145th457th💎
138th571st197th41st
181st348th250th24th209th242nd
68th
12th155th135th
249th182nd545th143rd345th
Divisors
1,601st1,180th839th840th4,860th159th179th1,193rd1,172nd696th386th
764th2,568th831st820th128th198th1st742nd3,534th136th1,636th1,317th253rd699th916th169th171st366th
35th
28th359th305th
1,905th1,052nd1,086th4,137th1,635th
Emirp Numbers
637th139th387th391st915th141st892nd
215th166th426th
404th365th749th193rd13th83rd47th222nd944th41st121st
104th143rd360th38th452nd19th
211th
16th14th94th
810th75th756th895th953rd
Emirp Numbers (Long)
70th174th120th
65th75th69th167th93rd44th
71st114th
12th335th22nd110th503rd156th
473rd78th
535th
18th233rd
Emojify
137th
116th
190th102nd
210th
122nd
82nd
61st
Evil Numbers
3,679th1,927th384th1,697th2,963rd504th704th790th685th479th351st
1,699th1,254th517th534th625th1,637th786th175th1,824th3,231st342nd327th1st1,402nd421st631st325th678th1,256th564th43rd
1,039th200th410th
2,353rd396th1,408th1,129th2,520th
Evil Numbers (Long)
798th311th
679th494th584th661st343rd449th
314th391st
863rd
72nd523rd
277th
1st303rd
529th247th280th859th397th107th
890th
Factorial Factorisation
148th
67th
136th
Farey Sequence
277th85th
322nd150th
206th
221st
69th
Fibonacci
202nd2,072nd376th2,117th6,155th697th413th608th2,290th899th359th
890th1,091st1,041st918th1st3,027th338th2,647th6,233rd210th3,972nd3,689th501st2,384th1,867th1,924th353rd343rd1,747th54th4,912th1,847th330th841st
2,357th1,956th867th759th4,870th
Fizz Buzz
3,596th736th585th2,952nd2,040th466th1,900th
1,775th1,107th1,172nd
3,462nd3,922nd1,124th2,710th💎1,200th2nd1,175th6,688th22nd1,523rd5,002nd606th1,781st1,558th409th485th410th
3rd
445th697th1,760th
4,658th1,499th1,833rd1,892nd5,668th
Foo Fizz Buzz Bar
202nd412th333rd
773rd
787th377th
1,266th339th
396th
💎578th1,357th518th1,103rd
272nd577th1,563rd121st345th
990th
1,116th
588th
674th
Forsyth–Edwards Notation
220th
194th171st
110th
140th
7th78th
Fractions
169th324th333rd
630th
497th399th337th
196th402nd
427th
325th670th144th
442nd597th438th576th176th254th
848th
265th10th
380th
Game of Life
6th
Gijswijt’s Sequence
129th
62nd
1st
291st
270th
Happy Numbers
713th178th623rd755th1,110th324th255th
247th207th748th
603rd424th546th251st68th327th37th887th1,079th43rd61st294th364th362nd609th57th216th45th
6th
39th27th232nd
885th97th369th520th1,132nd
Happy Numbers (Long)
88th812th294th
424th739th
341st241st60th
172nd225th
106th72nd364th207th1,001st
2nd429th449th295th680th107th974th
689th
53rd
571st
Hexdump
269th
167th212th
320th
343rd
107th
174th74th
11th2nd
Intersection
186th121st
242nd
251st114th294th
416th137th
💎
352nd100th333rd24th
227th272nd22nd235th230th
102nd
31st33rd
329th129th
Inventory Sequence
46th282nd270th
288th104th82nd
107th328th
1st
143rd
148th
26th92nd202nd
167th
236th
ISBN
320th575th305th
688th
245th385th
443rd291st
💎
308th613th10th
538th416th359th281st
45th
83rd146th
1,133rd
Jacobi Symbol
54th14th44th103rd
46th84th64th152nd169th53rd162nd365th125th81st107th17th💎63rd
104th177th8th116th
66th75th121st47th65th68th83rd2nd
10th3rd168th
96th85th154th89th132nd
Kaprekar Numbers
139th
77th
26th
Kolakoski Constant
39th32nd130th
55th
118th168th199th
48th155th120th
💎
2nd101st323rd126th
75th99th24th25th175th
67th
9th6th
132nd85th
Kolakoski Sequence
72nd269th51st335th
565th128th485th416th473rd116th
495th558th294th
38th
27th342nd924th132nd
1st
411th720th69th82nd470th
361st
703rd40th
353rd738th
Leap Years
1,158th212th136th324th2,277th409th334th284th677th1,019th105th
2,599th215th199th193rd746th897th229th89th526th3,328th35th298th
212th157th1,061st91st183rd13th1,119th349th
5th678th692nd
1,833rd328th430th155th1,981st
Levenshtein Distance
413th
516th
321st
89th
123rd
495th
546th156th
254th325th
36th
463rd
370th56th
359th355th
Leyland Numbers
119th205th317th
423rd240th327th296th349th313th
218th149th497th362nd💎
1st282nd640th98th708th
298th473rd72nd109th195th
4th
73rd542nd
832nd
364th339th
ln 2
241st227th249th
293rd332nd366th349th479th296th
257th203rd277th311th1st317th278th291st571st117th65th
336th323rd300th3rd245th179th400th97th
380th462nd331st
295th365th364th301st324th
Look and Say
196th462nd238th405th
645th
297th538th100th
418th230th471st
1st
35th200th762nd19th
455th524th48th278th112th
369th
58th116th
537th134th
Lucky Numbers
91st87th187th
211th203rd59th
121st153rd
1st
128th529th79th
214th223rd294th336th247th
170th
263rd157th
119th190th123rd
Lucky Tickets
85th178th152nd
194th90th
167th109th67th
128th86th122nd
💎
5th119th282nd25th
151st136th116th100th247th
20th
126th22nd
310th137th
Mandelbrot
161st
Maze
234th
Medal Tally
89th
69th
Morse Decoder
48th108th
143rd
129th
168th
212th38th
100th💎156th164th
109th
3rd5th
55th
Morse Encoder
57th
322nd
131st
170th
9th
339th21st
3rd52nd285th
18th
4th6th
80th
Musical Chords
44th152nd
94th134th114th
💎
74th
84th8th138th
212th
6th137th
209th
Niven Numbers
219th587th292nd1,092nd2,742nd403rd900th930th1,042nd1,186th261st
1,487th1,152nd994th778th866th1,627th302nd1,328th1,142nd2,833rd60th256th1,760th325th513th1,169th192nd280th542nd756th8th
43rd174th373rd
2,101st508th1,291st1,461st2,213th
Niven Numbers (Long)
247th
473rd
592nd910th632nd745th1,043rd137th
607th364th624th781st985th428th51st347th1,721st
960th640th520th700th579th
1,101st684th754th
21st79th454th
717th513th894th
1,015th
Number Spiral
133rd185th193rd
132nd338th
280th80th
36th
1st318th482nd190th
8th
245th45th41st
315th
Odious Numbers
3,115th1,777th287th1,200th2,461st204th640th756th600th327th226th
1,571st1,238th708th394th454th1,072nd758th132nd1,472nd2,651st219th213th1st1,105th307th615th210th326th1,491st417th41st
666th170th257th
2,193rd292nd1,230th1,438th2,114th
Odious Numbers (Long)
1,183rd262nd
252nd310th540th611th284th189th
267th375th
836th
112th453rd
137th
1st245th
474th183rd403rd655th355th39th
754th
Ordinal Numbers
345th346th549th
300th511th
458th519th397th
699th720th371st407th926th713th103rd420th973rd43rd462nd
336th648th863rd88th601st296th
770th
104th91st841st
2nd433rd800th609th
PalindromemordnilaP
236th
1st
21st
Pangram Grep
227th841st379th
1,428th
542nd404th336th824th378th308th717th451st371st249th145th564th356th1,098th24th397th
468th508th369th47th329th231st
9th
106th210th415th
188th
1,829th
Partition Numbers
23rd
160th
68th
18th
Pascal’s Triangle
208th462nd350th2,448th231st280th368th527th1,267th220th
323rd886th715th287th76th689th1st590th1,543rd157th613th
168th862nd156th83rd448th701st
48th
65th402nd216th
612th824th503rd205th1,065th
Pernicious Numbers
1,792nd559th376th738th2,093rd245th321st515th897th1,002nd223rd
1,156th644th883rd963rd607th1st1,077th109th1,206th1,847th157th697th937th352nd469th790th198th268th135th685th35th
95th193rd397th
1,652nd379th826th1,038th1,231st
Pernicious Numbers (Long)
566th387th340th
165th376th270th415th553rd65th
124th219th388th31st
1st268th941st83rd369th
273rd297th481st90th140th733rd
233rd
755th439th184th
447th313th
500th
Poker
114th
162nd
91st
65th
168th18th
35th44th
99th
💎5th
69th
Prime Numbers
1,027th490th381st1,296th2,567th471st1,629th1,023rd681st540th449th
823rd1,438th227th1,415th874th1,031st300th1st520th2,758th159th1,289th4,250th348th1,304th1,170th287th299th818th1,041st110th
202nd217th368th
1,636th454th1,714th538th2,588th
Prime Numbers (Long)
830th488th1,073rd882nd
376th471st631st845th638th725th
1,160th153rd620th765th1,013th
1st574th1,810th177th1,282nd2,160th734th1,048th713th618th411th
99th
148th298th
982nd
558th
Proximity Grid
127th
108th88th
179th
85th
QR Decoder
194th
107th
136th
257th
Quine
1st3,944th258th2,021st2,044th3,856th1,453rd
1,914th618th2,486th
1,631st1,532nd2,043rd1,541st148th697th1,512th1,859th3,700th230th1,394th4,866th1,280th1,651st1,743rd524th1,921st3,358th1,765th164th
3,649th453rd3,381st
1,710th1,601st4,857th141st2,495th
Recamán
113th100th257th
319th142nd286th340th200th411th
441st128th350th
💎
238th438th962nd154th
271st351st34th57th148th
5th
934th301st
139th181st
Repeating Decimals
146th
117th
44th
4th
Reverse Polish Notation
158th338th
384th230th
93rd271st
1st
258th
355th
354th111th150th
654th
459th
387th
Reversi
222nd
Rijndael S-box
95th
66th
116th
Rock-paper-scissors-Spock-lizard
32nd
173rd
131st154th179th
376th
123rd301st
207th355th52nd
116th20th
417th
18th
2nd💎219th
84th
Roman to Arabic
174th354th265th
131st470th
340th234th150th
409th58th275th283rd💎
17th219th585th54th
362nd482nd116th56th213th136th
41st
99th100th319th
468th383rd469th
ROT13
265th
217th
43rd51st
353rd
30th
Rule 110
96th87th167th
139th421st
210th110th442nd
265th134th130th375th2nd
255th407th15th
182nd346th168th4th77th56th
70th
57th12th260th
224th201st196th190th
Scrambled Sort
175th
1st
Seven Segment
111th373rd187th
114th268th
171st153rd34th
119th104th
💎
75th345th35th
84th76th197th12th30th244th
2nd
47th9th95th
79th93rd118th
Sierpiński Triangle
84th80th189th
29th172nd88th240th187th130th
285th154th143rd259th4th250th72nd134th705th14th27th
69th124th188th13th42nd118th
23rd
49th22nd175th
199th326th356th388th427th
Smith Numbers
40th107th146th
172nd
119th352nd127th
308th82nd
2nd239th143rd70th350th97th
150th102nd225th73rd
439th
357th
638th
Spelling Numbers
169th
293rd
228th1st
574th
349th147th
535th
174th113th134th
119th
81st100th
203rd
Star Wars Opening Crawl
148th
80th
201st
4th54th
90th
2nd5th
Sudoku
45th
69th
60th
11th
3rd
Sudoku (Fill-in)
67th119th
92nd
211th
155th
199th
31st
4th
187th
Ten-pin Bowling
91st109th
172nd
81st246th138th
105th95th
107th
235th250th22nd
176th113th💎143rd98th
27th
2nd6th
147th115th
Tic-tac-toe
267th
184th
27th
7th72nd
14th
53rd
Time Distance
165th
156th
431st
378th
Tongue-twisters
261st678th
889th
114th648th476th
849th358th
507th
835th17th
590th6th76th
115th
687th
167th
Topological Sort
83rd
💎
Transpose Sentence
274th
343rd
1st
311th
United States
91st73rd158th
468th
166th192nd49th
132nd155th298th446th
299th26th
89th173rd2nd164th34th
74th
5th3rd
50th
Vampire Numbers
72nd161st296th
129th331st234th
169th142nd
1st
126th462nd237th
190th278th22nd51st
5th
10th304th
254th
Van Eck Sequence
268th267th226th
295th
283rd330th337th
450th154th253rd
1st
26th296th780th135th
401st417th297th144th152nd
107th
570th51st
411th162nd
Zeckendorf Representation
230th
193rd
1st
146th
Zodiac Signs
148th
104th
165th
226th120th
💎
109th
305th75th
γ
74th
207th
1st
256th
λ
116th
93rd564th537th50th217th
137th199th380th
90th60th115th73rd207th124th340th307th214th15th106th
35th67th87th28th33rd375th
41st
13th3rd61st
76th112th70th171st204th
π
639th285th141st217th1,730th140th220th223rd292nd95th467th
345th201st231st185th6th306th1st265th606th64th7th
358th340th248th142nd110th100th544th53rd
307th233rd189th
218th208th297th608th335th
τ
569th272nd184th227th1,151st182nd245th238th279th87th453rd
280th156th234th178th6th305th1st268th556th52nd7th
334th340th255th108th134th78th533rd42nd
229th200th199th
241st236th257th575th310th
φ
651st397th356th369th1,587th326th298th582nd404th205th670th
417th297th347th342nd521st217th161st415th945th118th77th
489th519th390th42nd244th172nd707th12th
7th288th319th
340th446th890th649th445th
√2
679th422nd504th379th1,841st315th511th651st440th202nd684th
384th334th385th258th614th230th2nd426th1,134th168th121st
526th534th415th92nd311th199th739th4th
225th328th506th
372nd505th503rd911th434th
𝑒
550th381st427th457th1,645th301st424th359th439th178th549th
275th291st406th355th523rd324th2nd363rd902nd154th17th
412th318th387th213th423rd176th521st63rd
141st398th361st
351st446th500th979th420th