12 Days of Christmas
370
99 Bottles of Beer
271
Arabic to Roman
362
Christmas Trees
600
Cubes
429
Divisors
667
947
Emirp Numbers
482
Evil Numbers
889
Fibonacci
878
Fizz Buzz
697
Happy Numbers
533
Leap Years
717
Niven Numbers
759
Odious Numbers
800
Pascal’s Triangle
391
Pernicious Numbers
408
Prime Numbers
851
Quine
3705001,000337313618643969436893
Roman to Arabic
500
Sierpiński Triangle
607