12 Days of Christmas
791
99 Bottles of Beer
664
Arabic to Roman
568
Christmas Trees
421
Divisors
663
Emirp Numbers
569
Evil Numbers
461
Fibonacci
657
Fizz Buzz
748
Happy Numbers
525
Niven Numbers
540
Odious Numbers
487
Pascal’s Triangle
481
Pernicious Numbers
461
Prime Numbers
567
Quine
966
Roman to Arabic
445
Seven Segment
331
Sierpiński Triangle
408
π
96