Abundant Numbers
725
Abundant Numbers (Long)
902
Arithmetic Numbers
868
Catalan Numbers
798
Collatz
936
Divisors
600847
Evil Numbers
774
958
Evil Numbers (Long)
666
Fibonacci
895
Fizz Buzz
939904
Foo Fizz Buzz Bar
834
Happy Numbers
525
Happy Numbers (Long)
738
Leap Years
812
Leyland Numbers
663
Niven Numbers
715
Niven Numbers (Long)
839
Odious Numbers
641836769
Odious Numbers (Long)
672
Pascal’s Triangle
664615
Pernicious Numbers
631
Prime Numbers
661
Prime Numbers (Long)
760
Recamán
805
Smith Numbers
562
Sudoku
500
Van Eck Sequence
660