12 Days of Christmas
92
99 Bottles of Beer
335
Arabic to Roman
963
Christmas Trees
149
Cubes
88
Diamonds
83
Divisors
624
Emirp Numbers
443
Evil Numbers
802
Fibonacci
805
Fizz Buzz
874
Fractions
725
Leap Years
643
709
Odious Numbers
801
Pernicious Numbers
730
Quine
946605
Sierpiński Triangle
183
Spelling Numbers
980
Tongue-twisters
601
λ
285