12 Days of Christmas
49th
99 Bottles of Beer
485th
35th
Abundant Numbers
54th
Arabic to Roman
40th
brainfuck
29th
Christmas Trees
78th
CSS Colors
34th
Cubes
36th
Diamonds
63rd
Divisors
479th
80th
Emirp Numbers
33rd
Evil Numbers
57th
Fibonacci
65th
Fizz Buzz
1,143rd
83rd
Happy Numbers
55th
Leap Years
22nd
Leyland Numbers
45th
Lucky Tickets
Morse Decoder
23rd
Morse Encoder
26th
Niven Numbers
46th
Odious Numbers
51st
Ordinal Numbers
1st
25th
Pangram Grep
60th
Pascal’s Triangle
40th
Pernicious Numbers
57th
Prime Numbers
65th
Quine
107th
100th
Rock-paper-scissors-Spock-lizard
35th
Roman to Arabic
42nd
Rule 110
33rd
Seven Segment
25th
Sierpiński Triangle
25th
Spelling Numbers
19th
Sudoku
51st
16th
United States
36th
Vampire Numbers
32nd
λ
26th
π
τ
36th
φ
√2
𝑒
38th