12 Days of Christmas
42nd
99 Bottles of Beer
468th
24th
Abundant Numbers
49th
Arabic to Roman
32nd
brainfuck
19th
Christmas Trees
69th
CSS Colors
35th
Cubes
29th
Diamonds
52nd
Divisors
463rd
71st
Emirp Numbers
83rd
Evil Numbers
50th
Fibonacci
59th
Fizz Buzz
1,105th
76th
Happy Numbers
72nd
Leap Years
21st
Leyland Numbers
38th
Lucky Tickets
Morse Decoder
23rd
Morse Encoder
25th
Niven Numbers
41st
Odious Numbers
44th
Ordinal Numbers
1st
21st
Pangram Grep
54th
Pascal’s Triangle
37th
Pernicious Numbers
49th
Prime Numbers
59th
Quine
96th
99th
Rock-paper-scissors-Spock-lizard
33rd
Roman to Arabic
37th
Rule 110
27th
Seven Segment
20th
Sierpiński Triangle
23rd
Spelling Numbers
14th
Sudoku
47th
14th
United States
30th
Vampire Numbers
25th
λ
22nd
π
38th
τ
36th29th
φ
36th
√2
31st
𝑒
36th