12 Days of Christmas
46th
99 Bottles of Beer
485th
28th
Abundant Numbers
54th
Arabic to Roman
36th
brainfuck
21st
Christmas Trees
77th
CSS Colors
38th
Cubes
33rd
Diamonds
63rd
Divisors
479th
80th
Emirp Numbers
91st
Evil Numbers
57th
Fibonacci
65th
Fizz Buzz
1,143rd
83rd
Happy Numbers
78th
Leap Years
21st
Leyland Numbers
44th
Lucky Tickets
Morse Decoder
26th
Morse Encoder
28th
Niven Numbers
46th
Odious Numbers
51st
Ordinal Numbers
1st
24th
Pangram Grep
60th
Pascal’s Triangle
40th
Pernicious Numbers
57th
Prime Numbers
65th
Quine
107th
100th
Rock-paper-scissors-Spock-lizard
38th
Roman to Arabic
40th
Rule 110
31st
Seven Segment
21st
Sierpiński Triangle
25th
Spelling Numbers
16th
Sudoku
50th
16th
United States
36th
Vampire Numbers
28th
λ
25th
π
τ
36th
φ
√2
𝑒
38th