12 Days of Christmas
23rd
34th157th
99 Bottles of Beer
32nd
329th
29th495th
Abundant Numbers
32nd
44th743rd
Arabic to Roman
27th381st
brainfuck
352nd
Christmas Trees
53rd
484th
Cubes
321st
Diamonds
37th
525th
Divisors
28th
78th650th
Emirp Numbers
30th
530th
Evil Numbers
41st
833rd
Fibonacci
126th48th511th69th108th203rd70th
505th91st221st86th102nd106th915th60th269th228th76th
Fizz Buzz
98th617th
493rd1,179th
196th255th602nd
142nd
Happy Numbers
28th
54th460th
Leap Years
26th
76th764th
Leyland Numbers
19th357th
Morse Decoder
212th
Morse Encoder
233rd
Niven Numbers
34th
55th731st
Odious Numbers
35th
60th526th
Ordinal Numbers
27th277th
Pangram Grep
511th
Pascal’s Triangle
18th
456th
Pernicious Numbers
36th
595th
Poker
120th
Prime Numbers
42nd
130th668th
Quine
104th253rd
137th
117th110th79th
100th134th
Rock-paper-scissors-Spock-lizard
260th
Roman to Arabic
315th
Rule 110
258th
Seven Segment
332nd
Sierpiński Triangle
26th330th
Spelling Numbers
179th
Sudoku
8th113th
Ten-pin Bowling
10th117th
United States
131st
16th254th
λ
23rd
π
36th
370th
τ
22nd
φ
31st
√2
31st
𝑒
24th