Arabic to Roman
454
Christmas Trees
575
Divisors
674
Emirp Numbers
424
Evil Numbers
800
Fibonacci
668
Fizz Buzz
847
Happy Numbers
509
Leap Years
797
Niven Numbers
781
Odious Numbers
781
Ordinal Numbers
551
Pangram Grep
671
Pascal’s Triangle
523
Prime Numbers
613
Quine
945
Roman to Arabic
430
Rule 110
381
Seven Segment
416
Sierpiński Triangle
464
φ
700
√2
643
𝑒
621