Abundant Numbers
843
Abundant Numbers (Long)
976
Arithmetic Numbers
929
Catalan Numbers
868
Collatz
976
Divisors
630
888
Evil Numbers
831
976
Evil Numbers (Long)
713
Fibonacci
927
Fizz Buzz
965
1,000
Foo Fizz Buzz Bar
928
Happy Numbers
757
Happy Numbers (Long)
798
Leap Years
881
Leyland Numbers
719
Niven Numbers
779
Niven Numbers (Long)
885
Odious Numbers
705
915
784
Odious Numbers (Long)
718
Pascal’s Triangle
716
657
Pernicious Numbers
671
Prime Numbers
816
Prime Numbers (Long)
805
Recamán
863
Smith Numbers
614
Sudoku
493
Van Eck Sequence
712