99 Bottles of Beer
205
Abundant Numbers
676
Arabic to Roman
402
Catalan Numbers
600
Christmas Trees
608
Divisors
590
Emirp Numbers
399
Evil Numbers
713
Fibonacci
908
Fizz Buzz
890
Foo Fizz Buzz Bar
783
Fractions
471
Happy Numbers
426
Happy Numbers (Long)
531
Kolakoski Sequence
609
Leap Years
797
Leyland Numbers
555
Niven Numbers
842
Number Spiral
201
Odious Numbers
710
Ordinal Numbers
382
Pangram Grep
Pascal’s Triangle
506
Pernicious Numbers
590
Prime Numbers
643
Prime Numbers (Long)
678
Quine
945
Recamán
628
Roman to Arabic
296
Sierpiński Triangle
589
Smith Numbers
501
Spelling Numbers
206
Tongue-twisters
338
Van Eck Sequence
309