12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Christmas Trees
Cubes
705th
Diamonds
1,390th
Divisors
Emirp Numbers
Evil Numbers
Fibonacci
Fizz Buzz
957th
4,252nd
2,388th
Foo Fizz Buzz Bar
592nd
Happy Numbers
Leap Years
Niven Numbers
Number Spiral
1,182nd
Odious Numbers
Ordinal Numbers
Pascalβs Triangle
Pernicious Numbers
Prime Numbers
Quine
Rock-paper-scissors-Spock-lizard