Abundant Numbers
798
Abundant Numbers (Long)
904
Arithmetic Numbers
856
Catalan Numbers
793
Collatz
919
Divisors
586838
Evil Numbers
786
957
Evil Numbers (Long)
665
Fibonacci
891
Fizz Buzz
932901
Foo Fizz Buzz Bar
824
Happy Numbers
706
Happy Numbers (Long)
731
Leap Years
785
Leyland Numbers
655
Niven Numbers
732
Niven Numbers (Long)
817
Odious Numbers
661829766
Odious Numbers (Long)
666
Pascal’s Triangle
660613
Pernicious Numbers
626
Prime Numbers
770
Prime Numbers (Long)
750
Recamán
795
Smith Numbers
562
Sudoku
451
Van Eck Sequence
649