Abundant Numbers
719
Abundant Numbers (Long)
894
Arithmetic Numbers
856
Catalan Numbers
793
Collatz
930
Divisors
586838
Evil Numbers
772
957
Evil Numbers (Long)
662
Fibonacci
891
Fizz Buzz
932901
Foo Fizz Buzz Bar
829
Happy Numbers
519
Happy Numbers (Long)
730
Leap Years
808
Leyland Numbers
656
Niven Numbers
707
Niven Numbers (Long)
827
Odious Numbers
637829766
Odious Numbers (Long)
666
Pascal’s Triangle
660613
Pernicious Numbers
626
Prime Numbers
660
Prime Numbers (Long)
757
Recamán
795
Smith Numbers
556
Sudoku
498
Van Eck Sequence
656