12 Days of Christmas
994th
949th
109th1,227th
540th
25th137th46th
180th103rd33rd
48th88th
410th
82nd507th
24 Game
32nd
37th25th
30th
47th
21st💎
10th50th11th2nd
24th34th
28th
99 Bottles of Beer
431st
965th
143rd
353rd
264th53rd
75th81st28th
95th102nd247th137th
272nd
Abundant Numbers
2,781st
1,475th356th
380th602nd
811th
690th
560th334th
1st82nd75th
443rd374th33rd11th
953rd533rd199th135th252nd501st
411th
215th1,367th
1,033rd
Abundant Numbers (Long)
441st139th
476th815th861st
126th
459th
265th603rd
1st105th58th
495th342nd34th11th
449th80th229th353rd478th247th
337th910th
703rd
Arabic to Roman
111th
151st
171st10th
181st
57th
198th115th
381st189th155th55th
125th1st
156th
336th150th
Arithmetic Numbers
572nd234th81st32nd57th226th162nd610th
69th
42nd207th
198th284th219th192nd15th142nd💎
194th58th478th18th💎654th79th168th
626th277th228th627th704th3rd35th141st17th282nd
191st275th612th465th343rd203rd325th
Arrows
187th
198th
81st
368th
220th37th
120th326th💎
45th120th
206th
404th
Ascending Primes
347th
148th
163rd239th
45th
197th
50th
294th66th4th
79th182nd40th1st
177th
91st14th77th154th125th
433rd
ASCII Table
69th
61st
133rd
141st121st
157th106th
1st137th38th
482nd59th54th15th
192nd177th67th321st42nd139th
132nd
Billiards
19th
34th44th
69th
47th
10th24th3rd
15th
111th1st
21st64th
9th
brainfuck
465th
378th342nd
64th
273rd
746th814th
421st344th32nd
151st193rd79th234th
487th
633rd23rd83rd
209th
Card Number Validation
159th
208th254th
247th
165th
106th119th22nd
39th155th53rd2nd
128th
224th57th101st
97th
120th
Catalan Numbers
1st
610th
403rd448th721st
165th332nd
512th692nd
352nd561st
192nd211th22nd821st
120th497th183rd401st
507th
424th36th524th701st250th
481st527th
457th
Catalan’s Constant
281st
286th
177th
78th
194th💎
122nd3rd70th
133rd103rd
109th
124th
117th
Christmas Trees
159th716th
592nd
293rd
51st517th
549th255th
14th71st236th
261st29th6th
217th
276th109th
36th588th
Collatz
1,592nd
1,261st
296th627th
366th1,058th916th
167th
678th
445th813th
1st163rd35th
269th11th241st979th4th1,161st
914th39th349th257th181st783rd
1,051st498th1,003rd
765th
CSS Colors
325th
267th
93rd
1st243rd
164th161st
215th148th178th
1st
70th
89th175th
157th
212th
Cubes
288th
296th
124th
55th
130th💎
34th37th4th
131st38th
223rd
Day of Week
249th
237th
371st492nd
215th
581st
307th
539th520th
105th299th608th530th
1st732nd54th204th
161st
363rd
DFA Simulator
35th
61st
43rd
1st78th19th
129th62nd3rd
18th119th
134th
Diamonds
282nd182nd
328th
86th
175th
440th
102nd6th
269th42nd1st
190th29th109th
233rd
1,433rd
276th
Divisors
1,812th633rd855th1,275th744th1,665th
571st
1,076th1,640th
885th1,459th
1,087th593rd446th1st1,734th
617th618th1,605th18th
874th
886th25th480th609th372nd521st
1,042nd1,478th2,295th
1,345th
Emirp Numbers
57th
422nd573rd
370th175th
745th269th
127th
198th257th3rd
498th226th445th26th
217th49th229th635th396th
277th
333rd825th
Emirp Numbers (Long)
51st
64th171st
93rd
316th276th
56th
219th128th8th
116th78th226th1st
251st31st79th
110th
119th
Emojify
91st
75th287th
33rd
131st
49th106th69th
240th64th15th19th
3rd101st
17th
126th
Evil Numbers
1,615th408th
610th1,223rd920th818th623rd476th598th1,191st
466th2,089th
656th1,619th1,047th155th
424th463rd853rd1st
1,640th
573rd41st1,151st858th355th1,205th
712th
1,769th1,839th
Evil Numbers (Long)
767th209th
264th931st643rd
240th327th552nd737th
288th
950th565th69th
367th1,115th819th1st
704th
422nd37th860th1,315th728th632nd1,313th
462nd691st
649th
Factorial Factorisation
62nd
44th
143rd
111th176th
76th
5th55th💎
143rd64th24th2nd
97th39th127th7th
196th
Farey Sequence
282nd
352nd132nd103rd148th347th414th
56th
319th180th139th
194th
6th323rd51st
100th117th208th4th
219th
274th299th
288th8th170th318th233rd267th
337th
Fibonacci
3,350th
3,420th
2,149th638th841st575th2,607th3,663rd2,524th2,393rd2,822nd2,570th1,766th1,998th941st1,655th1,070th1,030th720th1st348th310th2,900th797th175th1,815th413th1st
448th
1,948th
3,353rd3,226th1,641st1,717th42nd3,308th1,712th982nd890th
1,840th3,027th2,166th919th
3,456th1,969th
Fizz Buzz
2,164th1,979th2,709th1,330th3,151st5,229th
2,059th
2,633rd
3,556th3,457th
1st1,355th18th
1,200th115th637th1,153rd12th
2,080th
5,333rd54th1,678th102nd480th1,350th
2,009th6,390th
Foo Fizz Buzz Bar
632nd560th
766th1,092nd
296th
868th
864th661st
413th853rd1st
571st320th360th4th
1,522nd14th401st196th553rd
867th
Forsyth–Edwards Notation
243rd
203rd
34th
88th
76th23rd
41st183rd2nd
52nd
180th43rd64th
99th
90th
344th318th
Fractions
498th
609th136th
164th
315th
144th
439th348th
207th520th
1st292nd160th
477th622nd401st133rd
587th82nd326th266th9th
275th461st
Game of Life
183rd
139th
206th
223rd
48th6th
191st169th1st
113th66th
172nd
369th
Gijswijt’s Sequence
135th234th
193rd
42nd163rd
81st
60th
1st165th4th
153rd33rd37th3rd
18th53rd
50th
197th
156th324th
Happy Numbers
706th418th
612th685th
460th676th
581st
171st1,507th
95th131st27th
394th230th119th1st
648th
250th29th323rd666th599th318th
384th
681st1,086th
708th
Happy Numbers (Long)
299th209th
160th516th
156th
439th
162nd357th
32nd94th27th
283rd624th72nd1st
736th
441st55th166th369th371st529th
225th515th
423rd
Hexdump
61st
107th
84th
344th
125th
111th193rd29th
117th93rd2nd
50th
183rd34th130th
5th
294th
Intersection
143rd
193rd287th
179th
162nd
135th
9th73rd17th
114th540th198th1st
49th105th
29th
Inventory Sequence
416th179th
296th561st
115th
249th
538th613th
1st183rd12th
135th59th63rd6th
371st
402nd
573rd26th97th468th21st266th
633rd268th
361st
ISBN
665th
243rd159th
328th414th
310th
366th
158th256th
94th126th24th
149th185th58th1st
298th114th167th95th292nd525th
277th
Jacobi Symbol
8th
64th52nd127th109th72nd
55th
84th63rd
67th
16th💎92nd4th
93rd13th90th42nd3rd123rd
160th
133rd45th85th
44th70th
79th83rd
108th
Kaprekar Numbers
143rd28th
70th19th
197th
64th69th
304th
60th102nd3rd
4th57th87th2nd80th
25th
106th165th18th306th159th
111th
Kolakoski Constant
43rd
88th155th
120th
174th
172nd
4th184th1st
170th103rd29th5th
70th52nd
14th
324th
Kolakoski Sequence
512th334th
392nd464th
68th
356th
375th710th
43rd78th26th
304th203rd119th1st
23rd157th666th47th201st
884th
444th633rd
Leap Years
199th615th
413th
549th
423rd
209th2,163rd
1st142nd195th
34th177th247th7th
397th356th165th
699th534th
1,166th713th
Levenshtein Distance
166th
241st362nd
139th
176th
118th
213th136th
282nd375th189th2nd
42nd85th377th3rd
215th
298th
Leyland Numbers
550th
314th331st
213th
536th
138th
495th513th
164th
420th1st126th4th
500th156th107th18th
202nd19th170th453rd381st
474th
ln 2
506th
253rd172nd
116th
279th
154th
165th167th25th
104th234th76th189th324th
3rd
161st26th223rd166th73rd
342nd
478th
Look and Say
220th89th464th140th346th459th
484th
223rd637th
344th1,013th262nd327th1st91st43rd
150th328th413th178th3rd
275th380th
439th311th98th318th46th189th
184th288th339th
295th
Lucky Numbers
108th133rd
231st364th
28th
71st250th
171st
1st226th15th
259th216th78th3rd
4th65th310th162nd
242nd
203rd
Lucky Tickets
245th
167th189th
54th
166th
104th
8th110th7th
51st173rd68th1st
264th
10th122nd353rd73rd238th
102nd
Mahjong
12th
18th22nd
5th
11th29th41st
27th
2nd29th7th
8th15th9th💎
34th14th21st
6th
44th73rd
Maze
264th
256th122nd
132nd
49th
59th5th
149th48th61st💎
134th38th99th
74th
Medal Tally
168th
68th
66th
56th
120th
💎91st5th
182nd89th26th2nd
162nd6th46th
33rd
184th
Morse Decoder
140th
132nd
63rd
175th
74th33rd
58th31st💎
42nd75th
81st
Morse Encoder
169th
129th
159th
66th24th
57th123rd💎
61st93rd
56th
Musical Chords
105th
88th
75th
84th61st
71st
💎69th19th
27th63rd💎
45th58th
38th
N Queens
42nd20th32nd137th46th
107th
58th
140th
75th6th71st2nd
60th12th36th118th5th
112th29th34th95th39th49th
Niven Numbers
69th3,220th1,650th929th458th847th340th1,264th1,293rd1,667th1,155th372nd1,610th701st972nd1,036th718th638th1,123rd1,282nd989th1st296th494th1,812th614th95th369th264th1st
318th474th1,180th1,175th1,419th649th1,242nd821st39th409th74th407th432nd
1,133rd2,032nd496th733rd2,340th1,191st2,423rd749th1,181st
Niven Numbers (Long)
606th387th
855th683rd738th
271st
474th
316th666th
17th256th169th466th
278th234th152nd1st
200th
908th137th414th39th84th1,228th
347th1,164th
Number Spiral
130th
283rd200th
196th
219th
277th129th
150th89th1st
205th104th38th7th
80th158th52nd257th195th124th
105th421st
Odious Numbers
416th
408th1,006th710th715th518th328th
1,430th
358th1,746th
1,050th945th117th
368th324th452nd1st
1,445th
433rd39th1,153rd723rd1,061st
594th
1,848th1,923rd
Odious Numbers (Long)
235th
227th609th500th
308th264th
755th
255th
721st548th100th
203rd1,001st766th1st
709th
367th37th1,030th1,241st796th
818th578th
Ordinal Numbers
381st
463rd
675th
581st
537th819th
43rd501st143rd
45th222nd212th216th
134th
227th292nd97th85th629th
110th3rd
349th614th
PalindromemordnilaP
368th
403rd
38th
91st92nd8th
77th152nd2nd
43rd
81st166th
229th
247th
Pangram Grep
1,020th
1,167th645th
136th
475th892nd
569th1,360th
1st159th84th
85th445th192nd22nd
1,168th
888th55th345th575th210th
511th
640th
Pascal’s Triangle
614th512th
549th817th
278th
947th
850th475th
259th268th1st
520th348th340th1st
1,359th42nd178th88th113th
450th538th
Pernicious Numbers
457th233rd
495th961st923rd827th300th
885th752nd
615th779th
1st1,218th84th
591st130th867th286th19th
434th
195th265th109th653rd32nd532nd163rd388th404th
943rd
372nd472nd
669th
538th848th
Pernicious Numbers (Long)
531st
476th
138th
361st
103rd
313th411th1st
377th170th4th
212th10th183rd
127th203rd
571st
322nd
Poker
23rd
33rd45th
24th
21st88th
70th
2nd46th3rd
19th28th12th💎
75th10th34th
8th92nd
111th
Polyominoes
21st
26th24th
17th
33rd
5th40th2nd
20th113th82nd💎
4th31st
22nd28th
50th
Prime Numbers
1,709th
1,456th
489th
1,195th646th
929th441st
1,470th2,362nd
223rd1,985th
1,404th284th1st
143rd531st585th1st
2,181st
1,929th
542nd102nd457th184th198th480th
742nd
1,283rd2,125th
1,383rd
Prime Numbers (Long)
1,092nd
1,465th
822nd340th
723rd641st1,002nd
349th
548th580th
134th891st
921st368th1st
159th502nd297th1st
1,160th
910th
510th91st314th697th414th376th
806th837th
679th
Proximity Grid
34th
51st
43rd
113th
111th8th
48th14th2nd
146th
22nd71st
5th
QR Decoder
134th
137th
97th
61st53rd
59th166th1st
103rd50th
158th
Quine
1st
1,721st
3,792nd1,371st3,705th2,752nd1,861st
2,664th601st
1,815th
1,530th576th
3,298th1,200th544th
1,484th214th1,591st1,315th1st
1,223rd
495th
1,796th160th4,254th
428th1,427th
1,690th3,128th1,670th2,624th
Recamán
243rd
231st614th
423rd
666th329th
963rd
182nd200th5th
87th279th267th2nd
364th63rd365th
379th
353rd700th
Repeating Decimals
101st
76th180th
48th
114th
102nd80th
185th106th66th46th
21st98th19th44th
Reverse Polish Notation
84th
162nd424th
85th
450th
100th279th
1st116th204th
183rd393rd420th153rd
344th
71st254th
77th
212th807th
Reversi
175th
132nd164th
51st
172nd
122nd43rd
91st47th96th💎
23rd97th
27th
252nd
Rijndael S-box
163rd
269th
349th
151st
58th
122nd
411th
172nd52nd6th
171st
181st217th5th
115th54th
141st113th
144th
Rock-paper-scissors-Spock-lizard
50th
82nd150th
108th
57th21st
58th37th33rd💎
75th59th66th
89th
Roman to Arabic
208th
400th302nd
234th
165th417th
15th
32nd349th56th
292nd555th161st12th
196th70th
36th1st
121st
485th
405th
ROT13
162nd
122nd
152nd
83rd131st
172nd
6th148th86th
113th121st3rd
10th76th
161st14th90th73rd8th
78th
Rule 110
257th
108th
91st
134th
253rd
208th2nd
177th55th💎
57th129th
13th
115th
Seven Segment
160th
100th
176th
204th56th
351st268th💎
120th96th
72nd
SI Units
12th
16th
8th
18th11th
22nd9th💎
35th20th
50th
Sierpiński Triangle
453rd
372nd
216th
353rd
291st
100th246th74th
271st295th18th
101st125th
237th
331st264th
Smith Numbers
99th183rd
187th
108th
329th214th
64th477th
271st181st1st
76th68th19th3rd
542nd
258th14th42nd375th114th344th
294th
170th
Spelling Numbers
138th
198th
82nd1st
275th148th
195th298th154th
166th202nd
220th
Star Wars Opening Crawl
26th
32nd86th
11th
37th
29th12th
22nd41st20th💎
4th54th
6th
Sudoku
10th
18th67th
8th
71st
31st7th
63rd32nd12th💎
2nd45th
6th
Sudoku (Fill-in)
12th
31st105th
30th
69th
104th
2nd46th8th
88th47th14th💎
11th61st23rd5th
Ten-pin Bowling
43rd
84th
49th
79th
176th
56th27th
40th88th💎45th
125th
53rd52nd
100th
Time Distance
89th
142nd
65th
112th348th
134th10th
47th108th💎
70th56th
174th
Tongue-twisters
131st
190th
82nd
102nd
46th
3rd71st12th
67th28th50th7th
56th33rd
77th
28th81st
Transpose Sentence
253rd
309th284th
130th
203rd
408th
1st116th39th
219th60th140th18th
447th24th207th348th150th148th
United States
167th
260th
225th
307th
15th237th38th
43rd44th💎
55th2nd
119th
183rd
Vampire Numbers
13th
128th165th
14th
58th
225th
207th10th107th1st
172nd7th36th15th4th
20th78th274th186th182nd
111th
224th
Van Eck Sequence
306th
300th513th
245th
385th
428th
1st122nd32nd
129th206th107th7th
326th47th160th
55th
532nd
Zeckendorf Representation
188th
155th
102nd
154th
332nd
1st144th38th
17th95th82nd4th
263rd26th142nd
11th
291st
Zodiac Signs
52nd
53rd
40th
107th
1st71st11th
73rd72nd3rd
83rd25th121st
49th
γ
125th
102nd89th
83rd
59th79th
73rd
105th75th49th
61st146th1st98th202nd
76th63rd104th
53rd
λ
35th
52nd31st
38th
148th
3rd15th2nd
46th118th42nd31st
84th36th100th
45th58th
57th
π
415th
188th190th
249th257th
193rd
126th
72nd146th4th
78th317th23rd217th491st
152nd
84th232nd
393rd
376th
τ
400th
206th295th
190th334th
255th
105th
151st203rd4th
78th277th25th161st
107th
85th239th
358th
369th
φ
246th311th379th534th513th
165th512th319th282nd549th
159th
1st201st1st
348th410th70th271st584th
13th
218th34th329th353rd107th
159th
√2
914th
607th
323rd489th363rd
175th426th359th389th786th
221st
293rd327th2nd
334th260th419th120th311th241st
11th
402nd36th380th113th371st
203rd
𝑒
312th239th264th365th564th
192nd
272nd
327th
266th290th1st
134th356th15th226th423rd
174th
230th58th225th515th259th281st
307th523rd
341st