99 Bottles of Beer
611
Abundant Numbers
831
Christmas Trees
667
Collatz
564
Divisors
964
Evil Numbers
800
Evil Numbers (Long)
804
Fibonacci
947
Fizz Buzz
946
Foo Fizz Buzz Bar
930
Happy Numbers
623
Leap Years
796
Look and Say
682
Niven Numbers
830
Odious Numbers
784
Odious Numbers (Long)
788
Ordinal Numbers
776
Pangram Grep
924
Pernicious Numbers
755
Prime Numbers
889
Quine
969
π
674