12 Days of Christmas
739
Abundant Numbers
661826
Abundant Numbers (Long)
774872
Arithmetic Numbers
856510
Arrows
477
Card Number Validation
648
Catalan Numbers
932
Collatz
836785
Divisors
745985948
Emirp Numbers
444
Evil Numbers
893880553
Evil Numbers (Long)
870862
Farey Sequence
670
Fibonacci
933935852
Fizz Buzz
960775183
Foo Fizz Buzz Bar
890
Fractions
675
Happy Numbers
683
515
Intersection
798
Kolakoski Sequence
881529
Leap Years
800765
Leyland Numbers
690651
ln 2
628
Look and Say
120
Niven Numbers
787
Niven Numbers (Long)
873
Odious Numbers
871893520
Odious Numbers (Long)
815818
Pascal’s Triangle
924
Pernicious Numbers
799705459
Pernicious Numbers (Long)
603
Prime Numbers
833892885
Prime Numbers (Long)
932931
Quine
947
Recamán
686
Van Eck Sequence
917
Zeckendorf Representation
661
φ
907
√2
816
𝑒
635