12 Days of Christmas
86
99 Bottles of Beer
297
Arabic to Roman
959
Christmas Trees
122
Cubes
57
Diamonds
78
Divisors
612
Emirp Numbers
439
Evil Numbers
801
Fibonacci
801
Fizz Buzz
870
Fractions
706
Leap Years
627
Odious Numbers
796
Pernicious Numbers
721
Quine
943605
Sierpiński Triangle
180
Spelling Numbers
980
Tongue-twisters
469
λ
242