99 Bottles of Beer
358
Abundant Numbers
708
Arabic to Roman
564
Catalan Numbers
603
Christmas Trees
701
Divisors
638
Emirp Numbers
494
Evil Numbers
714
Fibonacci
911
Fizz Buzz
977
Foo Fizz Buzz Bar
987
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
713
Ordinal Numbers
476
Pangram Grep
Pascal’s Triangle
549
Pernicious Numbers
593
Prime Numbers
643
Prime Numbers (Long)
680
Quine
944
Recamán
702
Roman to Arabic
394
Sierpiński Triangle
601
Smith Numbers
682
Spelling Numbers
360
Tongue-twisters
607
Van Eck Sequence
328