12 Days of Christmas
751
99 Bottles of Beer
631
Arabic to Roman
567
Christmas Trees
416
Divisors
663
Emirp Numbers
450
Evil Numbers
461
Fibonacci
657
Fizz Buzz
742
Happy Numbers
521
Niven Numbers
535
Odious Numbers
487
Pascal’s Triangle
481
Pernicious Numbers
461
Prime Numbers
567
Quine
966
Roman to Arabic
439
Seven Segment
324
Sierpiński Triangle
400
π
96