99 Bottles of Beer
359
Abundant Numbers
707
Arabic to Roman
562
Catalan Numbers
602
Christmas Trees
701
Divisors
637
Emirp Numbers
493
Evil Numbers
714
Fibonacci
910
Fizz Buzz
977
Foo Fizz Buzz Bar
986
Fractions
552
Happy Numbers
552
Happy Numbers (Long)
629
Kolakoski Sequence
619
Leap Years
799
Leyland Numbers
656
Niven Numbers
849
Number Spiral
247
Odious Numbers
712
Ordinal Numbers
475
Pangram Grep
Pascal’s Triangle
548
Pernicious Numbers
592
Prime Numbers
643
Prime Numbers (Long)
679
Quine
946
Recamán
701
Roman to Arabic
394
Sierpiński Triangle
621
Smith Numbers
680
Spelling Numbers
360
Tongue-twisters
606
Van Eck Sequence
327