Arabic to Roman
638
Christmas Trees
659
Divisors
725
Emirp Numbers
515
Evil Numbers
800
Fibonacci
668
Fizz Buzz
926
Happy Numbers
656
Leap Years
797
Niven Numbers
780
Odious Numbers
781
Ordinal Numbers
677
Pangram Grep
792
Pascal’s Triangle
564
Prime Numbers
613
Quine
945
Roman to Arabic
569
Rule 110
445
Seven Segment
566
Sierpiński Triangle
482
φ
714
√2
643
𝑒
621