12 Days of Christmas
brainfuck
Catalan Numbers
Collatz
Day of Week
Divisors
Fibonacci
488th
147th
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Hexdump
Leap Years
Leyland Numbers
PalindromemordnilaP
Pangram Grep
Quine
177th
55th
92nd
Van Eck Sequence