Abundant Numbers
734
ASCII Table
720
Catalan Numbers
870
Catalan’s Constant
527
Christmas Trees
705
Collatz
832
Diamonds
506724
Divisors
601962
Emirp Numbers
516682
Evil Numbers
754
Fibonacci
565932
Fizz Buzz
671926
Foo Fizz Buzz Bar
731905
Happy Numbers
702
Happy Numbers (Long)
799
Leap Years
829
Prime Numbers
891
Prime Numbers (Long)
638