12 Days of Christmas
360
99 Bottles of Beer
398
Abundant Numbers
698688
Arabic to Roman
371
Christmas Trees
483
Diamonds
371
Divisors
760
Emirp Numbers
392
Evil Numbers
786
Fibonacci
826
Fizz Buzz
542
Happy Numbers
314
Leap Years
706
Niven Numbers
864
Odious Numbers
784
Pascal’s Triangle
469
Pernicious Numbers
686
Prime Numbers
586
Quine
944
Roman to Arabic
311
Seven Segment
445
Spelling Numbers
218
π
271