Abundant Numbers
668
Arabic to Roman
273
Arrows
180
ASCII Table
554
Card Number Validation
426
Catalan Numbers
375
Christmas Trees
596
Collatz
672
Cubes
459
Diamonds
522
Divisors
659
755
831
Evil Numbers
785
Fibonacci
663
224
857
360
464
934
Fizz Buzz
710
Foo Fizz Buzz Bar
631
Fractions
448
Happy Numbers
453
Intersection
588
ISBN
529
Leap Years
730
Niven Numbers
644
Odious Numbers
783
Ordinal Numbers
367
Pangram Grep
690
Pascal’s Triangle
567
Pernicious Numbers
434
Prime Numbers
633
Prime Numbers (Long)
668
Recamán
680
Rule 110
422
Seven Segment
416
Sierpiński Triangle
346
Smith Numbers
356
Tongue-twisters
376
π
56