99 Bottles of Beer
359
Abundant Numbers
707
Arabic to Roman
564
Catalan Numbers
603
Christmas Trees
701
Divisors
638
Emirp Numbers
493
Evil Numbers
714
Fibonacci
911
Fizz Buzz
977
Foo Fizz Buzz Bar
986
Fractions
553
Happy Numbers
552
Happy Numbers (Long)
630
Kolakoski Sequence
620
Leap Years
800
Leyland Numbers
657
Niven Numbers
849
Number Spiral
247
Odious Numbers
712
Ordinal Numbers
475
Pangram Grep
Pascal’s Triangle
548
Pernicious Numbers
593
Prime Numbers
643
Prime Numbers (Long)
680
Quine
946
Recamán
702
Roman to Arabic
394
Sierpiński Triangle
601
Smith Numbers
682
Spelling Numbers
360
Tongue-twisters
607
Van Eck Sequence
328