12 Days of Christmas
856
Abundant Numbers
780
Abundant Numbers (Long)
925
Arabic to Roman
666
Arrows
456
brainfuck
758
Christmas Trees
681
Collatz
832
Diamonds
469
Divisors
962
Emirp Numbers
839
Emirp Numbers (Long)
652
Evil Numbers
800
Evil Numbers (Long)
782
Fibonacci
933
Fizz Buzz
941
Foo Fizz Buzz Bar
905
Fractions
688
Happy Numbers
737
Happy Numbers (Long)
817
Intersection
799
Kolakoski Sequence
879
Leap Years
798
Leyland Numbers
678
Look and Say
602
Lucky Numbers
519
Niven Numbers
933
Niven Numbers (Long)
879
Odious Numbers
781
Odious Numbers (Long)
764
Ordinal Numbers
809
Pangram Grep
850
Pascal’s Triangle
921
Pernicious Numbers
695
Pernicious Numbers (Long)
706
Prime Numbers
800
Prime Numbers (Long)
701
Quine
890
Recamán
833
Roman to Arabic
666
Smith Numbers
378
Spelling Numbers
440
Vampire Numbers
623
Van Eck Sequence
683
π
68
√2
47
𝑒
46