Abundant Numbers
681
Arabic to Roman
280
Arrows
185
ASCII Table
566
Card Number Validation
447
Catalan Numbers
386
Christmas Trees
607
Collatz
687
Cubes
466
Diamonds
533
Divisors
682
800
844
Evil Numbers
800
Fibonacci
682495226895367947
Fizz Buzz
716
Foo Fizz Buzz Bar
641
Fractions
463
Happy Numbers
462
Intersection
608
ISBN
546
Leap Years
741
Niven Numbers
657
Odious Numbers
800
Ordinal Numbers
377
Pangram Grep
709
Pascal’s Triangle
581
Pernicious Numbers
444
Prime Numbers
645
Prime Numbers (Long)
688
Recamán
696
Rule 110
431
Seven Segment
426
Sierpiński Triangle
353
Smith Numbers
367
Tongue-twisters
373
π
57