Abundant Numbers
719
Abundant Numbers (Long)
892
Arithmetic Numbers
855
Catalan Numbers
791
Collatz
930
Divisors
585838
Evil Numbers
771
956
Evil Numbers (Long)
662
Fibonacci
891
Fizz Buzz
934902
Foo Fizz Buzz Bar
833
Happy Numbers
518
Happy Numbers (Long)
728
Leap Years
808
Leyland Numbers
655
Niven Numbers
707
Niven Numbers (Long)
826
Odious Numbers
637828766
Odious Numbers (Long)
665
Pascal’s Triangle
660613
Pernicious Numbers
625
Prime Numbers
659
Prime Numbers (Long)
756
Recamán
794
Smith Numbers
559
Sudoku
499
Van Eck Sequence
655