Abundant Numbers
Abundant Numbers (Long)
Arithmetic Numbers
Catalan Numbers
868
Collatz
Divisors
630888
Evil Numbers
831
976
Evil Numbers (Long)
Fibonacci
927
Fizz Buzz
9651,000
Foo Fizz Buzz Bar
919
Happy Numbers
Happy Numbers (Long)
Leap Years
881
Leyland Numbers
719
Niven Numbers
779
Niven Numbers (Long)
885
Odious Numbers
915784
Odious Numbers (Long)
Pascal’s Triangle
657
Pernicious Numbers
Prime Numbers
816
Prime Numbers (Long)
805
Recamán
863
Smith Numbers
Sudoku
493
Van Eck Sequence