12 Days of Christmas
739
Abundant Numbers
845
Abundant Numbers (Long)
925
Arabic to Roman
642
Arrows
457
brainfuck
837
Christmas Trees
597
Collatz
901
Diamonds
578
Divisors
933
Emirp Numbers
844
Emirp Numbers (Long)
567
Evil Numbers
801
Evil Numbers (Long)
784
Fibonacci
935
Fizz Buzz
862
Foo Fizz Buzz Bar
929
Fractions
782
Happy Numbers
703
Happy Numbers (Long)
872
Intersection
841
Kolakoski Sequence
912
Leap Years
815
Leyland Numbers
785
Look and Say
689
Lucky Numbers
505
Niven Numbers
939
Niven Numbers (Long)
886
Odious Numbers
784
Odious Numbers (Long)
767
Ordinal Numbers
881
Pangram Grep
900
Pascal’s Triangle
856
Pernicious Numbers
698
Pernicious Numbers (Long)
699
Prime Numbers
801
Prime Numbers (Long)
702
Quine
891
Recamán
882
Roman to Arabic
506
Smith Numbers
485
Spelling Numbers
482
Vampire Numbers
690
Van Eck Sequence
788
π
107
√2
47
𝑒
46