12 Days of Christmas
872
Abundant Numbers
780
Abundant Numbers (Long)
909
Arabic to Roman
666
Arrows
457
brainfuck
837
Christmas Trees
681
Collatz
831
Diamonds
469
Divisors
979
Emirp Numbers
839
Emirp Numbers (Long)
678
Evil Numbers
800
Evil Numbers (Long)
782
Fibonacci
932
Fizz Buzz
941
Foo Fizz Buzz Bar
906
Fractions
688
Happy Numbers
736
Happy Numbers (Long)
817
Intersection
799
Kolakoski Sequence
882
Leap Years
797
Leyland Numbers
677
Look and Say
601
Lucky Numbers
520
Niven Numbers
933
Niven Numbers (Long)
879
Odious Numbers
781
Odious Numbers (Long)
763
Ordinal Numbers
811
Pangram Grep
850
Pascal’s Triangle
921
Pernicious Numbers
695
Pernicious Numbers (Long)
706
Prime Numbers
800
Prime Numbers (Long)
700
Quine
890
Recamán
833
Roman to Arabic
666
Smith Numbers
406
Spelling Numbers
447
Vampire Numbers
627
Van Eck Sequence
682
π
68
√2
47
𝑒
46