12 Days of Christmas
25th
36th164th
99 Bottles of Beer
35th
343rd
30th525th
Abundant Numbers
33rd
45th770th
Arabic to Roman
27th404th
brainfuck
368th
Christmas Trees
56th
503rd
Cubes
342nd
Diamonds
36th
542nd
Divisors
28th
81st672nd
Emirp Numbers
30th
542nd
Evil Numbers
43rd
857th
Fibonacci
128th48th526th72nd113th210th76th
521st99th235th91st113th112th959th63rd274th245th81st
Fizz Buzz
103rd630th
500th1,209th
201st259th635th
142nd
Happy Numbers
29th
55th480th
Leap Years
29th
80th791st
Leyland Numbers
19th377th
Morse Decoder
226th
Morse Encoder
248th
Niven Numbers
35th
57th751st
Odious Numbers
35th
60th545th
Ordinal Numbers
27th291st
Pangram Grep
531st
Pascal’s Triangle
18th
474th
Pernicious Numbers
36th
612th
Poker
131st
Prime Numbers
45th
131st686th
Quine
105th264th
141st
122nd111th92nd
102nd138th
Rock-paper-scissors-Spock-lizard
273rd
Roman to Arabic
329th
Rule 110
272nd
Seven Segment
344th
Sierpiński Triangle
26th348th
Spelling Numbers
192nd
Sudoku
9th129th
Ten-pin Bowling
10th124th
United States
138th
16th265th
λ
24th
π
36th
389th
τ
23rd
φ
32nd
√2
31st
𝑒
26th