12 Days of Christmas
538
99 Bottles of Beer
Divisors
766
Emirp Numbers
426
Fibonacci
862
Fizz Buzz
Foo Fizz Buzz Bar
Leap Years
Niven Numbers
656
Ordinal Numbers
Pernicious Numbers
427
Prime Numbers
632
Rock-paper-scissors-Spock-lizard
412
SierpiΕski Triangle
123
Ξ»
221
π
66