12 Days of Christmas
748
Abundant Numbers
660823
Abundant Numbers (Long)
785865
Arithmetic Numbers
864505
Arrows
476
Card Number Validation
649
Catalan Numbers
930
Collatz
899781
Divisors
744984945
Emirp Numbers
450
Evil Numbers
892877577
Evil Numbers (Long)
868857
Farey Sequence
667
Fibonacci
931934850
Fizz Buzz
960774182
Foo Fizz Buzz Bar
889
Fractions
673
Happy Numbers
682
513
Intersection
795
Kolakoski Sequence
879524
Leap Years
799815
Leyland Numbers
688683
ln 2
626
Look and Say
118
Niven Numbers
787
Niven Numbers (Long)
872
Odious Numbers
870888518
Odious Numbers (Long)
812813
Pascal’s Triangle
923
Pernicious Numbers
798702463
Pernicious Numbers (Long)
600
Prime Numbers
831891882
Prime Numbers (Long)
930926
Quine
946
Recamán
685
Van Eck Sequence
915
Zeckendorf Representation
656
φ
905
√2
814
𝑒
634