12 Days of Christmas
368
99 Bottles of Beer
269
Arabic to Roman
353
Christmas Trees
590
Cubes
422
Divisors
644
932
Emirp Numbers
474
Evil Numbers
872
Fibonacci
866
Fizz Buzz
692
Happy Numbers
523
Leap Years
706
Niven Numbers
744
Odious Numbers
783
Pascal’s Triangle
381
Pernicious Numbers
399
Prime Numbers
834
Quine
345
479
319
303
945
591
605
946
417
857
Roman to Arabic
485
Sierpiński Triangle
594