Abundant Numbers
722
Abundant Numbers (Long)
896
Arithmetic Numbers
861
Catalan Numbers
792
Collatz
932
Divisors
599
846
Evil Numbers
771
957
Evil Numbers (Long)
662
Fibonacci
892
Fizz Buzz
937
975
Foo Fizz Buzz Bar
891
Happy Numbers
523
Happy Numbers (Long)
734
Leap Years
839
Leyland Numbers
660
Niven Numbers
713
Niven Numbers (Long)
835
Odious Numbers
640
827
768
Odious Numbers (Long)
668
Pascal’s Triangle
661
611
Pernicious Numbers
627
Prime Numbers
658
Prime Numbers (Long)
757
Recamán
801
Smith Numbers
557
Sudoku
495
Van Eck Sequence
657