12 Days of Christmas
555
Abundant Numbers
778833
Abundant Numbers (Long)
714929
Arithmetic Numbers
756551
Arrows
578
Card Number Validation
545
Catalan Numbers
957
Collatz
919830
Divisors
7699471,000
Emirp Numbers
556
Evil Numbers
909933645
Evil Numbers (Long)
891924
Farey Sequence
611
Fibonacci
938947889
Fizz Buzz
883797198
Foo Fizz Buzz Bar
717
Fractions
795
Happy Numbers
539
562
Intersection
868
Kolakoski Sequence
912580
Leap Years
811857
Leyland Numbers
602755
ln 2
634
Look and Say
136
Niven Numbers
800
Niven Numbers (Long)
893
Odious Numbers
889951577
Odious Numbers (Long)
837884
Pascal’s Triangle
926
Pernicious Numbers
816753519
Pernicious Numbers (Long)
607
Prime Numbers
850909938
Prime Numbers (Long)
9571,000
Quine
969
Recamán
632
Van Eck Sequence
898
Zeckendorf Representation
764
φ
963
√2
831
𝑒
649