12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
3,521st555th3,350th
Arabic to Roman
Christmas Trees
Cubes
Diamonds
Divisors
4,039th2,202nd4,382nd
Emirp Numbers
2,643rd2,653rd2,582nd
Evil Numbers
Fibonacci
7,181st8,180th8,213th
Fizz Buzz
Happy Numbers
2,616th2,621st2,622nd
Leap Years
3,821st3,820th3,811th
Morse Decoder
Morse Encoder
Niven Numbers
3,423rd3,418th3,386th
Odious Numbers
3,465th3,437th3,395th
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Prime Numbers
4,598th4,631st4,559th
Quine
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle