12 Days of Christmas
141st250th752nd
1,012th832nd
192nd576th1,105th
472nd1,726th188th284th💎
179th476th28th
104th290th468th2nd572nd91st
18th
21st12th128th
146th962nd198th222nd
99 Bottles of Beer
104th81st580th247th420th261st386th190th413th209th408th
114th1,383rd149th60th2nd
139th42nd7th
51st457th143rd💎39th26th
21st
5th6th305th
113th762nd101st158th
Abundant Numbers
360th198th382nd1,997th3,363rd314th1,331st740th730th408th325th
806th2,279th210th284th558th43rd140th311th75th131st247th250th436th486th815th38th293rd296th
184th
18th96th487th
1,748th120th2,694th2,681st1,705th
Abundant Numbers (Long)
614th271st674th320th
725th
765th570th266th68th
299th716th296th486th781st84th22nd207th
52nd1,199th62nd134th347th
50th109th344th
141st440th196th
225th464th900th1,040th
Arabic to Roman
180th233rd211th
357th369th
303rd14th166th
240th64th243rd165th13th
339th298th105th
328th192nd218th58th474th218th
585th
88th80th210th
325th215th
Arithmetic Numbers
101st879th
379th452nd
245th384th
43rd260th
135th
234th217th
Arrows
46th95th250th
180th
195th276th159th
366th153rd
💎
145th76th124th
213th155th25th56th
396th
430th13th
99th
Ascending Primes
143rd
5th
315th
225th
ASCII Table
143rd444th154th
187th413th
263rd119th
71st
96th153rd
346th
790th
799th633rd
brainfuck
330th
180th
496th
74th
126th
53rd
377th
132nd19th36th287th
33rd
8th529th
133rd
Card Number Validation
200th
145th
36th
Catalan Numbers
1st592nd800th
329th
549th308th264th
318th248th571st
399th385th13th550th392nd122nd410th
621st585th
417th442nd28th
96th101st
1,083rd
Catalan’s Constant
86th87th96th
72nd101st90th147th81st136th
91st71st107th104th💎66th258th126th88th137th2nd
95th105th112th69th80th59th245th46th
60th44th106th
102nd200th153rd
Christmas Trees
452nd956th161st866th557th320th
272nd555th80th
360th431st116th273rd💎
159th193rd33rd68th
148th139th337th44th176th14th
21st
13th10th171st
183rd887th290th1,136th773rd
Collatz
163rd566th637th
699th363rd159th
1,081st595th
266th
300th
4th
86th312th
1,133rd
59th283rd
CSS Colors
141st
408th139th
211th
314th84th
293rd
219th413th36th
66th
144th92nd
164th
Cubes
68th
81st
303rd
98th
92nd
113th
133rd3rd
Day of Week
245th486th
166th
669th1,180th
278th584th
541st
545th189th1st
790th849th
Diamonds
310th208th104th1,856th209th244th219th182nd121st172nd
178th316th142nd450th💎
131st206th192nd37th
176th340th246th24th205th237th
68th
14th152nd129th
245th177th546th138th393rd
Divisors
1,602nd1,179th822nd840th4,783rd151st172nd1,207th1,178th685th381st
753rd2,586th826th803rd122nd194th1st731st345th129th1,640th1,338th256th690th889th161st163rd361st
34th
27th352nd291st
1,913th1,039th1,063rd4,145th1,169th
Emirp Numbers
631st145th387th391st895th147th874th
221st165th424th
406th367th745th196th12th74th46th214th117th40th108th
100th156th365th37th451st15th
215th
26th13th87th
802nd79th752nd877th820th
Emirp Numbers (Long)
70th158th110th
62nd74th68th154th91st44th
69th109th
12th307th22nd96th83rd141st
440th78th
496th
18th208th
Emojify
130th
107th
183rd98th
201st
116th
77th
58th
Evil Numbers
3,590th1,903rd360th1,671st2,926th451st701st792nd665th463rd340th
1,673rd1,339th493rd513th612th1,607th787th161st1,792nd599th327th312th1st1,380th403rd629th310th641st1,333rd544th40th
997th185th395th
2,329th382nd1,493rd1,098th1,808th
Evil Numbers (Long)
764th288th
641st466th557th621st327th402nd
291st409th
820th
69th495th
259th
1st280th
499th232nd262nd786th415th102nd
658th
Factorial Factorisation
62nd
124th
Farey Sequence
270th80th
323rd140th
214th
229th
64th
Fibonacci
190th2,048th354th2,113th6,247th685th390th570th2,292nd871st338th
902nd1,106th1,009th920th1st3,033rd319th2,637th620th198th4,009th3,708th464th2,434th1,893rd1,924th332nd323rd1,739th53rd4,983rd1,839th311th845th
2,345th1,959th880th746th3,518th
Fizz Buzz
3,770th857th569th3,170th2,251st460th2,110th
1,969th1,246th1,335th
3,678th4,140th1,263rd2,920th💎1,360th2nd1,348th596th21st1,686th5,225th590th1,974th1,734th403rd479th404th
3rd
439th815th1,961st
4,889th1,645th2,040th2,104th4,538th
Foo Fizz Buzz Bar
187th414th332nd
809th
527th369th
1,299th365th
394th
💎593rd240th528th1,139th
276th602nd1,568th114th338th
1,028th
1,143rd
657th
711th
Forsyth–Edwards Notation
215th
197th169th
105th
140th
7th73rd
Fractions
169th324th353rd
626th
497th396th334th
197th399th
426th
340th160th141st
437th593rd431st573rd177th253rd
837th
263rd10th
380th
Game of Life
6th
Gijswijt’s Sequence
53rd
1st
242nd
258th
Happy Numbers
703rd183rd617th746th1,088th326th274th
250th211th735th
599th421st551st270th65th329th35th869th162nd41st58th305th361st366th605th54th218th42nd
6th
37th25th240th
873rd96th368th510th954th
Happy Numbers (Long)
87th794th287th
417th724th
350th233rd58th
161st229th
102nd73rd367th197th360th
2nd422nd446th290th668th103rd945th
674th
51st
566th
Hexdump
263rd
205th
314th
336th
104th
170th73rd
11th2nd
Intersection
156th120th
241st
269th116th290th
411th139th
💎
339th114th58th23rd
129th268th17th233rd230th
103rd
30th32nd
323rd131st
Inventory Sequence
47th276th261st
305th107th90th
105th333rd
1st
136th
139th
26th91st181st
150th
227th
ISBN
323rd562nd316th
671st
248th307th
440th308th
💎
245th94th10th
406th415th361st278th
45th
80th149th
1,088th
Jacobi Symbol
52nd14th17th100th
18th80th59th149th163rd54th155th352nd123rd76th104th19th💎60th
101st62nd9th115th
63rd71st121st46th61st65th79th3rd
8th2nd161st
93rd81st148th85th109th
Kaprekar Numbers
73rd
23rd
Kolakoski Constant
46th40th137th
63rd
124th174th201st
56th161st125th
💎
2nd103rd143rd130th
76th101st32nd33rd182nd
14th
10th5th
135th87th
Kolakoski Sequence
71st264th48th342nd
559th134th478th411th466th112th
487th553rd293rd
37th
26th338th183rd125th
1st
414th715th68th81st463rd
359th
695th39th
353rd730th
Leap Years
1,200th221st129th328th2,370th404th332nd291st708th944th100th
2,686th223rd210th192nd761st930th227th83rd540th320th31st277th
199th164th1,165th85th184th11th1,166th347th
4th687th142nd
1,907th326th435th152nd1,846th
Levenshtein Distance
403rd
506th
315th
103rd
89th
484th
397th150th
197th317th
32nd
454th
360th53rd
349th344th
Leyland Numbers
115th195th307th
407th228th318th277th338th196th
210th141st495th347th💎
1st269th147th95th694th
287th472nd68th109th188th
4th
70th536th
822nd
351st330th
ln 2
234th216th244th
284th322nd352nd335th460th287th
246th194th261st308th1st304th267th280th325th112th66th
300th313th289th3rd235th173rd382nd93rd
365th444th319th
286th351st350th290th495th
Look and Say
197th450th229th401st
620th
294th504th98th
405th225th464th
1st
35th199th391st19th
442nd515th48th279th109th
351st
58th113th
524th129th
Lucky Numbers
89th86th188th
215th209th59th
119th162nd
1st
128th183rd77th
167th226th292nd331st217th
168th
265th156th
126th192nd125th
Lucky Tickets
84th171st152nd
187th90th
162nd104th66th
125th85th117th
💎
5th116th157th24th
128th129th113th96th243rd
20th
123rd22nd
305th130th
Mandelbrot
136th
Maze
226th
Medal Tally
83rd
60th
Morse Decoder
45th109th
146th
131st
79th
138th34th
102nd💎157th164th
110th
2nd4th
53rd
Morse Encoder
51st
271st
124th
135th
7th
264th18th
3rd49th278th
16th
4th6th
75th
Musical Chords
44th149th
91st129th110th
💎
72nd
88th8th134th
203rd
6th133rd
200th
Niven Numbers
189th579th276th1,089th2,655th348th824th899th1,039th850th247th
1,424th1,145th952nd753rd869th1,561st286th1,267th1,124th490th57th242nd1,687th308th518th1,171st182nd265th479th809th8th
40th165th356th
2,022nd569th1,241st1,398th1,917th
Niven Numbers (Long)
235th
446th
546th875th587th766th1,005th130th
551st339th586th763rd952nd414th63rd323rd668th
895th598th529th674th537th
1,064th663rd717th
20th75th419th
686th539th865th
1,107th
Number Spiral
126th176th184th
130th328th
267th82nd
35th
1st305th306th182nd
7th
236th46th40th
303rd
Odious Numbers
3,015th1,742nd269th1,180th2,417th193rd622nd736th584th313th215th
1,536th1,212th712th403rd444th1,041st738th121st1,437th334th208th202nd1st1,083rd294th634th199th305th1,453rd412th38th
668th157th243rd
2,155th275th1,201st1,407th1,655th
Odious Numbers (Long)
1,124th248th
239th297th440th579th269th181st
251st385th
791st
104th436th
126th
1st228th
458th172nd370th621st347th36th
564th
Ordinal Numbers
326th327th552nd
281st496th
442nd504th375th
684th708th356th384th919th701st85th411th395th40th446th
317th594th857th81st586th277th
755th
97th84th833rd
2nd420th787th264th
PalindromemordnilaP
1st
20th
Pangram Grep
219th829th394th
1,403rd
541st417th333rd811th365th316th704th440th369th239th134th542nd361st234th21st388th
464th166th367th43rd314th222nd
9th
228th200th398th
197th
1,781st
Partition Numbers
21st
162nd
69th
16th
Pascal’s Triangle
197th442nd340th2,346th264th266th359th527th1,239th213th
308th861st707th275th71st680th1st586th292nd150th594th
160th846th149th78th434th687th
44th
60th396th207th
603rd806th491st195th1,045th
Pernicious Numbers
1,747th524th361st721st2,027th237th334th469th855th957th217th
1,124th646th842nd949th569th1st1,023rd106th1,169th595th152nd664th923rd311th448th758th192nd258th131st671st34th
92nd187th380th
1,610th366th828th1,003rd959th
Pernicious Numbers (Long)
552nd378th336th
154th367th250th401st539th61st
122nd210th379th29th
1st236th360th78th355th
265th287th471st85th134th712th
217th
733rd429th194th
437th307th
424th
Poker
107th
154th
88th
62nd
134th17th
33rd42nd
94th
💎5th
66th
Prime Numbers
998th502nd372nd1,275th2,589th462nd1,605th995th639th531st442nd
822nd1,415th223rd1,400th871st1,002nd289th1st515th350th151st1,269th4,160th331st1,284th1,166th276th288th815th1,010th105th
193rd208th360th
1,613th445th1,698th513th2,075th
Prime Numbers (Long)
804th468th1,043rd863rd
369th448th606th837th599th686th
1,132nd144th599th730th988th
1st558th459th167th1,265th2,078th718th1,027th728th597th390th
96th
139th282nd
973rd
544th
Proximity Grid
124th
65th85th
116th
83rd
QR Decoder
190th
106th
134th
249th
Quine
1st3,897th251st2,064th2,067th3,831st1,369th
1,949th608th2,533rd
1,636th1,543rd2,065th1,555th145th686th1,485th1,854th1,489th223rd1,427th4,781st1,260th1,642nd1,745th515th1,957th3,388th1,767th161st
3,678th444th3,410th
1,712th1,606th4,772nd138th1,928th
Recamán
108th103rd267th
323rd132nd290th348th207th408th
444th115th374th
💎
244th433rd183rd147th
279th371st34th57th142nd
5th
920th311th
140th180th
Repeating Decimals
111th
43rd
4th
Reverse Polish Notation
155th328th
372nd181st
92nd258th
1st
245th
345th
341st89th147th
640th
456th
374th
Reversi
215th
Rijndael S-box
84th
64th
107th
Rock-paper-scissors-Spock-lizard
32nd
169th
132nd126th177th
369th
123rd298th
205th254th49th
117th20th
407th
18th
2nd💎216th
82nd
Roman to Arabic
156th345th247th
121st456th
320th228th139th
400th53rd258th267th💎
13th213th254th49th
354th448th108th51st200th124th
37th
92nd94th305th
455th372nd425th
ROT13
246th
185th
36th44th
321st
23rd
Rule 110
91st80th157th
138th359th
200th106th426th
251st127th128th366th2nd
242nd297th13th
172nd337th164th4th73rd52nd
70th
54th11th248th
215th194th187th173rd
Seven Segment
116th357th178th
105th254th
163rd147th33rd
110th95th
💎
78th103rd34th
83rd70th186th14th29th229th
2nd
46th9th88th
73rd86th109th
Sierpiński Triangle
79th73rd186th
29th168th83rd238th184th135th
281st150th149th253rd3rd246th70th129th173rd13th23rd
67th120th185th12th42nd111th
24th
48th22nd170th
210th321st349th110th413th
Smith Numbers
45th98th144th
169th
115th352nd123rd
311th80th
2nd240th138th66th58th92nd
151st101st222nd72nd
437th
358th
620th
Spelling Numbers
162nd
287th
221st1st
557th
332nd139th
519th
167th107th129th
114th
80th96th
197th
Star Wars Opening Crawl
142nd
76th
196th
4th50th
85th
2nd5th
Sudoku
44th
67th
59th
10th
3rd
Sudoku (Fill-in)
60th112th
86th
196th
89th
185th
33rd
4th
170th
Ten-pin Bowling
89th99th
157th
72nd222nd121st
76th87th
98th
95th151st23rd
135th105th💎123rd90th
18th
2nd6th
134th108th
Tic-tac-toe
253rd
22nd
6th71st
15th
35th
Time Distance
163rd
153rd
417th
367th
Tongue-twisters
251st671st
861st
109th632nd461st
823rd350th
493rd
545th16th
575th6th74th
110th
629th
167th
Transpose Sentence
325th
1st
292nd
United States
104th76th146th
328th
154th180th50th
122nd148th284th438th
173rd25th
103rd161st2nd151st34th
51st
5th3rd
55th
Vampire Numbers
69th157th287th
126th320th226th
164th138th
1st
123rd249th229th
185th276th22nd50th
5th
10th293rd
77th
Van Eck Sequence
261st259th220th
286th
283rd319th326th
437th148th253rd
1st
28th289th254th131st
390th405th290th138th147th
109th
558th51st
402nd167th
Zeckendorf Representation
231st
164th
1st
141st
Zodiac Signs
63rd
101st
153rd
216th111th
💎
107th
293rd71st
γ
72nd
204th
1st
250th
λ
114th
94th548th523rd48th214th
139th195th373rd
93rd68th119th76th203rd125th333rd301st62nd18th103rd
35th72nd96th30th33rd367th
44th
13th3rd58th
79th118th69th170th209th
π
620th278th137th210th1,737th136th216th220th286th91st456th
332nd197th224th181st6th299th1st260th119th63rd7th
312th326th241st138th106th97th527th51st
298th227th191st
211th200th289th592nd377th
τ
554th272nd175th231st1,136th173rd246th235th273rd79th442nd
274th149th225th177th6th295th1st263rd160th50th7th
302nd329th250th105th130th77th518th40th
222nd195th194th
234th233rd252nd560th413th
φ
629th388th338th356th1,550th307th283rd563rd405th198th643rd
406th282nd325th326th500th210th152nd404th431st111th71st
453rd498th380th39th235th162nd678th12th
7th273rd299th
322nd425th863rd627th386th
√2
668th426th503rd389th1,807th302nd511th642nd465th193rd673rd
391st321st392nd267th609th216th2nd430th355th161st116th
502nd529th418th88th298th190th722nd4th
210th317th505th
372nd504th501st892nd399th
𝑒
530th367th408th436th1,600th282nd406th347th420th167th529th
259th272nd395th337th503rd308th2nd352nd386th144th17th
328th297th370th199th405th165th501st60th
132nd384th344th
335th434th480th942nd484th