12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Christmas Trees
Cubes
672nd
Diamonds
1,429th
Divisors
Emirp Numbers
Evil Numbers
Fibonacci
Fizz Buzz
1,698th
4,557th
696th
Foo Fizz Buzz Bar
953rd
Happy Numbers
Leap Years
Niven Numbers
Number Spiral
1,267th
Odious Numbers
Ordinal Numbers
Pascalβs Triangle
Pernicious Numbers
Prime Numbers
Quine
Rock-paper-scissors-Spock-lizard