Abundant Numbers
734
ASCII Table
720
Catalan Numbers
870
Catalan’s Constant
528
Christmas Trees
705
Collatz
831
Diamonds
505724
Divisors
601979
Emirp Numbers
516682
Evil Numbers
754
Fibonacci
564932
Fizz Buzz
671926
Foo Fizz Buzz Bar
731904
Happy Numbers
702
Happy Numbers (Long)
798
Leap Years
829
Prime Numbers
891
Prime Numbers (Long)
638