12 Days of Christmas
600
99 Bottles of Beer
854
Abundant Numbers
807
Christmas Trees
839
Cubes
644
Diamonds
718
Divisors
945
Emirp Numbers
463
Evil Numbers
709
Fibonacci
987
729Fizz Buzz
915
Morse Decoder
460
Niven Numbers
978
Odious Numbers
727
Pangram Grep
827
Pernicious Numbers
558
Prime Numbers
717
United States
361
π
467
τ
467
φ
593
√2
551