12 Days of Christmas
96
99 Bottles of Beer
335
Arabic to Roman
963
Christmas Trees
148
Cubes
88
Diamonds
83
Divisors
624
Emirp Numbers
442
Evil Numbers
800
Fibonacci
804
Fizz Buzz
874
Fractions
723
Leap Years
652
709
Odious Numbers
799
Pernicious Numbers
729
Quine
945
605
Sierpiński Triangle
183
Spelling Numbers
980
Tongue-twisters
601
λ
285