12 Days of Christmas
791
99 Bottles of Beer
663
Arabic to Roman
572
Christmas Trees
422
Divisors
664
Emirp Numbers
571
Evil Numbers
463
Fibonacci
658
Fizz Buzz
749
Happy Numbers
526
Niven Numbers
542
Odious Numbers
489
Pascal’s Triangle
484
Pernicious Numbers
463
Prime Numbers
568
Quine
968
Roman to Arabic
336
Seven Segment
320
Sierpiński Triangle
410
π
96