12 Days of Christmas
135
99 Bottles of Beer
378
Arabic to Roman
959
Christmas Trees
122
Cubes
45
Diamonds
78
Divisors
612
Emirp Numbers
540
Evil Numbers
801
Fibonacci
801
Fizz Buzz
870
Fractions
706
Leap Years
628
Odious Numbers
796
Pernicious Numbers
721
Quine
943605
Sierpiński Triangle
131
Spelling Numbers
980
Tongue-twisters
659
λ
305