12 Days of Christmas
684
Abundant Numbers
657816
Abundant Numbers (Long)
780858
Arithmetic Numbers
850503
Arrows
470
Card Number Validation
645
Catalan Numbers
927
Collatz
832778
Divisors
737979938
Emirp Numbers
442
Evil Numbers
891878551
Evil Numbers (Long)
867858
Farey Sequence
611
Fibonacci
930932850
Fizz Buzz
957770180
Foo Fizz Buzz Bar
885
Fractions
674
Happy Numbers
679
506
Intersection
793
Kolakoski Sequence
879521
Leap Years
798760
Leyland Numbers
684624
ln 2
623
Look and Say
119
Niven Numbers
781
Niven Numbers (Long)
863
Odious Numbers
868887515
Odious Numbers (Long)
810812
Pascal’s Triangle
921
Pernicious Numbers
795699454
Pernicious Numbers (Long)
597
Prime Numbers
832891884
Prime Numbers (Long)
929927
Quine
945
Recamán
680
Van Eck Sequence
914
Zeckendorf Representation
656
φ
902
√2
807
𝑒
629