99 Bottles of Beer
611
Abundant Numbers
734
Christmas Trees
556
Collatz
609
Divisors
900
Evil Numbers
784
Evil Numbers (Long)
767
Fibonacci
932
Fizz Buzz
926
Foo Fizz Buzz Bar
896
Happy Numbers
581
Leap Years
741
Look and Say
572
Niven Numbers
780
Odious Numbers
751
Odious Numbers (Long)
735
Ordinal Numbers
649
Pangram Grep
861
Pernicious Numbers
695
Prime Numbers
871
Quine
945
π
520