Abundant Numbers
Abundant Numbers (Long)
Arithmetic Numbers
Catalan Numbers
868
Collatz
Divisors
630888
Evil Numbers
815
976
Evil Numbers (Long)
Fibonacci
927
Fizz Buzz
9651,000
Foo Fizz Buzz Bar
936
Happy Numbers
Happy Numbers (Long)
Leap Years
877
Leyland Numbers
719
Niven Numbers
753
Niven Numbers (Long)
895
Odious Numbers
915784
Odious Numbers (Long)
Pascal’s Triangle
657
Pernicious Numbers
Prime Numbers
697
Prime Numbers (Long)
813
Recamán
863
Smith Numbers
Sudoku
546
Van Eck Sequence