12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
31st52nd60th
Arabic to Roman
Christmas Trees
Cubes
Diamonds
Divisors
46th203rd122nd
Emirp Numbers
30th233rd66th
Evil Numbers
Fibonacci
117th794th221st
Fizz Buzz
Happy Numbers
34th214th57th
Leap Years
55th436th122nd
Morse Decoder
Morse Encoder
Niven Numbers
56th329th76th
Odious Numbers
40th313th90th
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Prime Numbers
65th429th132nd
Quine
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle