Abundant Numbers
666
Arabic to Roman
274
Arrows
180
ASCII Table
555
Card Number Validation
428
Catalan Numbers
374
Christmas Trees
594
Collatz
671
Cubes
440
Diamonds
520
Divisors
653
514
811
Evil Numbers
784
Fibonacci
662462215521358932
Fizz Buzz
710
Foo Fizz Buzz Bar
631
Fractions
450
Happy Numbers
451
Intersection
585
ISBN
528
Leap Years
728
Niven Numbers
641
Odious Numbers
781
Ordinal Numbers
362
Pangram Grep
687
Pascal’s Triangle
565
Pernicious Numbers
433
Prime Numbers
632
Prime Numbers (Long)
668
Recamán
676
Rule 110
417
Seven Segment
409
Sierpiński Triangle
343
Smith Numbers
356
Tongue-twisters
371
π
56