12 Days of Christmas
890
Abundant Numbers
784
Abundant Numbers (Long)
930
Arabic to Roman
665
Arrows
462
brainfuck
840
Christmas Trees
685
Collatz
899
Diamonds
473
Divisors
984
Emirp Numbers
854
Emirp Numbers (Long)
680
Evil Numbers
801
Evil Numbers (Long)
783
Fibonacci
934
Fizz Buzz
945
Foo Fizz Buzz Bar
909
Fractions
686
Happy Numbers
740
Happy Numbers (Long)
822
Intersection
801
Kolakoski Sequence
880
Leap Years
799
Leyland Numbers
682
Look and Say
604
Lucky Numbers
524
Niven Numbers
941
Niven Numbers (Long)
888
Odious Numbers
783
Odious Numbers (Long)
766
Ordinal Numbers
821
Pangram Grep
854
Pascal’s Triangle
923
Pernicious Numbers
698
Pernicious Numbers (Long)
711
Prime Numbers
800
Prime Numbers (Long)
701
Quine
890
Recamán
839
Roman to Arabic
668
Smith Numbers
405
Spelling Numbers
474
Vampire Numbers
630
Van Eck Sequence
684
π
69
√2
48
𝑒
46