12 Days of Christmas
252nd
1,821st
820th
314th
99 Bottles of Beer
67th65th
94th
349th
188th
63rd
15th31st
58th
110th
249th
Abundant Numbers
404th
1,446th
716th15th
398th487th1,878th
652nd358th62nd
339th
372nd333rd
Abundant Numbers (Long)
97th
85th
15th
755th675th
208th512th453rd
606th
Arabic to Roman
23rd
78th
228th
128th178th
1st
361st
443rd
617th
Arithmetic Numbers
255th
84th
134th
40th
164th36th
389th
Arrows
435th
Ascending Primes
79th
19th
321st
254th
ASCII Table
176th
109th
1st
26th144th
62nd
19th
469th
brainfuck
118th
108th
36th43rd
56th
Card Number Validation
25th273rd
371st
Catalan Numbers
1st
1,017th
1,200th
502nd
377th
157th
231st
620th
328th
203rd
43rd
133rd
Catalan’s Constant
3rd
312th
295th
Christmas Trees
315th
57th
171st
133rd571st
370th
94th
Collatz
11th728th
43rd
241st317th1,003rd
476th246th214th
99th
Continued Fractions
7th
76th
CSS Colors
126th
266th
194th120th77th
140th
156th
Cubes
34th
Day of Week
773rd857th
156th412th
879th584th
1,044th279th1st
289th560th
222nd
512th
DFA Simulator
14th
Diamonds
56th
59th
149th
604th
Divisors
1,609th
497th
669th
725th
356th
364th2,303rd
567th
783rd476th704th
29th555th1,069th
426th
2,939th
1,705th
882nd
Emirp Numbers
257th
386th
1,412th62nd
186th
348th
237th
95th
60th600th
22nd240th195th
37th
325th419th
632nd
Emirp Numbers (Long)
31st
217th493rd
269th
106th
Emojify
72nd
3rd
52nd
297th301st
Evil Numbers
4,133rd
2,865th1,145th
4,323rd1,080th675th
1,969th830th2,888th496th382nd878th642nd
577th
587th43rd2,461st
712th357th2,939th949th1st1,422nd906th483rd
766th1,179th841st1,824th1,370th52nd1,391st974th
417th472nd
803rd872nd444th1,155th1,888th880th
868th
Evil Numbers (Long)
504th
285th404th266th
426th
39th
1,035th1st
1,289th722nd
49th
123rd
808th
Factorial Factorisation
285th
10th
Farey Sequence
370th
486th
68th
482nd
124th
65th332nd59th
5th
80th
Fibonacci
220th9,538th1,001st416th2,358th2,898th
380th473rd681st
2,781st
422nd1,993rd1,206th
2,430th1,179th4,045th794th1st440th
516th242nd2,033rd545th2,110th
560th1,008th2,275th2,068th406th409th398th1,317th49th889th228th
372nd768th
7,514th1,299th2,187th2,206th
1,121st
3,181st
Fizz Buzz
5,168th
1,372nd758th
1,504th3,599th2,005th
1,450th1,552nd1,295th4,561st2,536th
5,473rd
1st
768th146th734th2,545th4,748th
1,537th
141st634th28th
65th3,529th130th
552nd
3,329th2,560th
3,553rd
2,020th
Foo Fizz Buzz Bar
434th1,415th
602nd
339th
769th
504th
1,078th1,156th
906th
266th305th271st
9th534th234th
575th
921st
Forsyth–Edwards Notation
4th289th
58th
8th
69th
Fractions
317th
427th
293rd
1st
203rd
641st
381st269th
97th952nd261st
10th
369th
Game of Life
233rd
199th
109th
20th305th
30th
Gijswijt’s Sequence
164th
24th
116th
Gray Code Decoder
102nd
28th
70th
Gray Code Encoder
280th
146th
20th237th
34th
125th
Happy Numbers
395th
304th
370th
536th
215th
206th133rd288th
400th326th
1st
280th
152nd195th261st
37th554th456th
112th
494th523rd
516th1,217th350th
Happy Numbers (Long)
188th
110th
60th
299th803rd
16th
822nd
92nd154th
42nd341st232nd
80th
600th
Hexdump
121st
128th
17th97th
45th
5th
Intersection
192nd
29th415th
25th
Inventory Sequence
231st
238th
251st
76th109th
178th
54th
550th
ISBN
298th
28th
301st
411th
252nd
Jacobi Symbol
13th
228th
Kolakoski Constant
30th
168th
Kolakoski Sequence
534th558th
128th
148th
72nd
173rd
86th297th
239th182nd
119th532nd
451st
565th
Leap Years
1,592nd
2,871st
446th
1st246th
109th2,147th1,447th9th
980th
62nd725th21st
504th186th56th
1,361st
Levenshtein Distance
123rd246th
108th
362nd
84th
49th240th💎
3rd
337th
Leyland Numbers
168th
430th
25th
509th
ln 2
3rd
28th
196th
Look and Say
118th
101st
33rd
397th
567th
11th393rd
468th
135th
261st
Lucky Numbers
74th
85th
59th
237th
93rd72nd
201st
Lucky Tickets
99th
98th
15th
211th
Mandelbrot
250th
Maze
9th
12th
291st
18th
13th
Medal Tally
156th
273rd
Minesweeper
22nd
62nd
Morse Decoder
96th
68th
54th
Morse Encoder
134th
Multitap Input
50th
Niven Numbers
663rd1,370th
270th415th607th765th
1,391st477th
291st1,088th958th
1,024th1st
872nd133rd1,064th348th1st
452nd582nd
257th365th126th
56th1,141st112th
267th533rd
1,468th1,376th638th928th2,666th811th
892nd
Niven Numbers (Long)
318th782nd
225th263rd358th1,008th
232nd
97th
881st
677th23rd
509th246th932nd
1st
520th651st
86th243rd
62nd359th51st
113th571st
1,020th643rd499th
757th
Number Spiral
66th
257th
147th
205th
116th555th
52nd209th231st
99th
625th
Odious Numbers
3,524th
2,045th971st
734th366th
1,768th721st616th407th233rd955th522nd
760th
539th42nd2,153rd
665th452nd2,511th575th1st1,314th802nd345th
750th829th730th2,143rd1,243rd51st914th821st
197th280th
695th683rd324th1,410th2,164th491st
556th
Odious Numbers (Long)
1,355th
603rd
439th315th213th
363rd
40th
995th1st
648th637th
49th574th
173rd
1,020th
Ordinal Numbers
514th375th
610th
179th
506th
50th
202nd
160th192nd
299th289th117th
103rd
129th3rd
PalindromemordnilaP
44th
Pangram Grep
483rd
1st
1,114th1,270th
271st
589th233rd
189th603rd408th
67th
213th434th
677th
Partition Numbers
1,102nd
12th392nd
56th
Pascal’s Triangle
683rd
883rd
620th
1st
909th
196th
347th215th
57th244th238th
155th
Pernicious Numbers
663rd974th
1,138th
300th408th598th627th
1,054th379th
275th928th754th
1,315th
774th1st1,714th
517th166th1,356th369th1,126th1,171st443rd573rd
1,104th246th343rd142nd
43rd1,029th206th
224th486th
1,221st908th467th642nd1,794th728th
704th
Pernicious Numbers (Long)
240th
240th
381st
478th743rd
721st415th
123rd
189th
Poker
55th
Prime Numbers
1,281st1,923rd
1,170th3,418th621st
922nd530th
1,834th
1,006th
251st
795th359th
1st
186th631st1,469th1st
405th641st
345th593rd337th997th126th516th234th
277th
965th790th
1,401st2,312th844th
757th
Prime Numbers (Long)
806th
873rd
372nd
443rd
527th
180th
570th
1st
206th
1,261st1st
553rd
464th
115th402nd942nd
337th
612th
Proximity Grid
128th
57th
63rd164th
67th
16th
Quine
1st
1,773rd288th
3,066th2,232nd4,362nd1,556th3,308th2,075th3,070th
1,670th673rd1,743rd1,974th
1,780th4,924th637th
157th757th2,267th
2,652nd1,632nd257th1,747th1,491st
1,366th3,295th
1,824th567th1,554th662nd1,935th176th1,741st625th
494th1,468th
3,109th1,873rd3,524th1,809th
1,742nd2,206th3,459th2,903rd
Recamán
408th
280th
339th
381st298th
38th251st
153rd
Repeating Decimals
60th
42nd132nd
17th
1st
13th
Reverse Polish Notation
423rd
1st
142nd
128th280th
89th
Reversi
22nd
73rd
Rijndael S-box
223rd
168th
163rd
512th
Roman to Arabic
346th
227th
27th
73rd
292nd
104th278th
49th1st
85th
894th
ROT13
89th130th
11th
145th
78th
288th
Rule 110
93rd
15th
160th
30th
18th
167th
Scrambled Sort
317th
40th
131st
Seven Segment
51st
SI Units
102nd
128th
Sierpiński Triangle
431st
392nd
16th407th
232nd
269th
458th
Spelling Numbers
1st
163rd
247th
Sudoku
165th
Sudoku (Fill-in)
100th
223rd
203rd47th
18th
Tic-tac-toe
278th336th
Time Distance
132nd
39th
3rd
10th
Tongue-twisters
47th
1,859th144th187th
132nd
141st
197th129th
136th
192nd
109th
92nd
77th
22nd
104th310th
94th
Tower of Hanoi
696th
Transpose Sentence
281st
1st
274th
175th182nd
95th
73rd
United States
153rd
195th45th
268th2nd
86th
197th
Vampire Numbers
97th
Van Eck Sequence
276th
708th
535th
204th
562nd
133rd
Zeckendorf Representation
46th
52nd
84th
45th
Zodiac Signs
5th
γ
188th
1st
332nd
λ
1,452nd
155th
49th
11th
70th
126th
215th51st
171st
92nd
160th
π
26th
1st464th
259th
509th
τ
28th
1st
514th
1,084th
φ
1,098th
205th
317th
103rd
16th430th
40th
448th
89th
1,306th
√2
235th
365th
170th
14th
42nd
161st
𝑒
624th
405th
254th
21st
17th440th
72nd940th939th
178th