Abundant Numbers
723
Abundant Numbers (Long)
898
Arithmetic Numbers
862
Catalan Numbers
793
Collatz
933
Divisors
600846
Evil Numbers
772
957
Evil Numbers (Long)
663
Fibonacci
893
Fizz Buzz
938975
Foo Fizz Buzz Bar
891
Happy Numbers
523
Happy Numbers (Long)
735
Leap Years
839
Leyland Numbers
660
Niven Numbers
713
Niven Numbers (Long)
836
Odious Numbers
640828768
Odious Numbers (Long)
669
Pascal’s Triangle
662612
Pernicious Numbers
628
Prime Numbers
659
Prime Numbers (Long)
757
Recamán
801
Smith Numbers
558
Sudoku
496
Van Eck Sequence
657