99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Christmas Trees
Collatz
Day of Week
Divisors
Emirp Numbers
Emirp Numbers (Long)
Evil Numbers
Evil Numbers (Long)
Fibonacci
Fizz Buzz
243rd
1st
Happy Numbers
Happy Numbers (Long)
Leap Years
Lucky Tickets
Niven Numbers
Niven Numbers (Long)
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
Prime Numbers (Long)
Quine
Recamán
Reverse Polish Notation
Smith Numbers