12 Days of Christmas
804
99 Bottles of Beer
474
Arabic to Roman
510
Christmas Trees
689
Cubes
573
Divisors
667
1,000
Emirp Numbers
596
Evil Numbers
889
Fibonacci
878
Fizz Buzz
763
Happy Numbers
689
Leap Years
717
Niven Numbers
759
Odious Numbers
800
Pascal’s Triangle
422
Pernicious Numbers
408
Prime Numbers
851
Quine
370
526
337
313
1,000
618
643
969
436
893
Roman to Arabic
662
Sierpiński Triangle
634