Abundant Numbers
804
Abundant Numbers (Long)
912
Arithmetic Numbers
861
Catalan Numbers
792
Collatz
925
Divisors
599
846
Evil Numbers
786
957
Evil Numbers (Long)
665
Fibonacci
892
Fizz Buzz
945
979
Foo Fizz Buzz Bar
891
Happy Numbers
711
Happy Numbers (Long)
739
Leap Years
843
Leyland Numbers
660
Niven Numbers
741
Niven Numbers (Long)
829
Odious Numbers
663
827
768
Odious Numbers (Long)
668
Pascal’s Triangle
661
611
Pernicious Numbers
627
Prime Numbers
768
Prime Numbers (Long)
749
Recamán
803
Smith Numbers
563
Sudoku
459
Van Eck Sequence
651