12 Days of Christmas
21st
33rd147th
99 Bottles of Beer
31st
326th
28th478th
Abundant Numbers
32nd
41st724th
Arabic to Roman
27th369th
brainfuck
340th
Christmas Trees
46th
462nd
Cubes
313th
Diamonds
33rd
512th
Divisors
26th
77th633rd
Emirp Numbers
30th
520th
Evil Numbers
39th
811th
Fibonacci
121st44th484th67th104th198th69th
490th88th213th85th99th102nd890th55th257th224th76th
Fizz Buzz
95th598th
481st1,168th
192nd251st586th
140th
Happy Numbers
28th
54th451st
Leap Years
26th
74th747th
Leyland Numbers
19th343rd
Morse Decoder
206th
Morse Encoder
227th
Niven Numbers
33rd
54th713th
Odious Numbers
34th
60th510th
Ordinal Numbers
27th269th
Pangram Grep
495th
Pascal’s Triangle
18th
445th
Pernicious Numbers
35th
579th
Poker
110th
Prime Numbers
41st
128th649th
Quine
102nd248th
134th
113th109th72nd
110th132nd
Rock-paper-scissors-Spock-lizard
254th
Roman to Arabic
308th
Rule 110
250th
Seven Segment
320th
Sierpiński Triangle
25th322nd
Spelling Numbers
172nd
Sudoku
8th109th
Ten-pin Bowling
10th112th
United States
128th
16th246th
λ
22nd
π
34th
357th
τ
22nd
φ
31st
√2
31st
𝑒
23rd