12 Days of Christmas
770
Abundant Numbers
671869
Abundant Numbers (Long)
805929
Arithmetic Numbers
890551
Arrows
490
Card Number Validation
683
Catalan Numbers
957
Collatz
919830
Divisors
7691,0001,000
Emirp Numbers
459
Evil Numbers
909933645
Evil Numbers (Long)
891924
Farey Sequence
695
Fibonacci
958947889
Fizz Buzz
967797198
Foo Fizz Buzz Bar
902
Fractions
695
Happy Numbers
697
562
Intersection
824
Kolakoski Sequence
912580
Leap Years
811857
Leyland Numbers
709755
ln 2
646
Look and Say
136
Niven Numbers
800
Niven Numbers (Long)
893
Odious Numbers
889951577
Odious Numbers (Long)
837884
Pascal’s Triangle
947
Pernicious Numbers
816753519
Pernicious Numbers (Long)
619
Prime Numbers
867909938
Prime Numbers (Long)
9571,000
Quine
969
Recamán
701
Van Eck Sequence
949
Zeckendorf Representation
691
φ
930
√2
831
𝑒
649