Abundant Numbers
723
Abundant Numbers (Long)
898
Arithmetic Numbers
862
Catalan Numbers
793
Collatz
933
Divisors
600846
Evil Numbers
772
957
Evil Numbers (Long)
663
Fibonacci
893
Fizz Buzz
938976
Foo Fizz Buzz Bar
892
Happy Numbers
524
Happy Numbers (Long)
735
Leap Years
840
Leyland Numbers
661
Niven Numbers
713
Niven Numbers (Long)
836
Odious Numbers
640829768
Odious Numbers (Long)
669
Pascal’s Triangle
662612
Pernicious Numbers
628
Prime Numbers
659
Prime Numbers (Long)
757
Recamán
801
Smith Numbers
559
Sudoku
496
Van Eck Sequence
657