12 Days of Christmas
360
99 Bottles of Beer
398
Abundant Numbers
697
688
Arabic to Roman
370
Christmas Trees
482
Diamonds
370
Divisors
759
Emirp Numbers
391
Evil Numbers
785
Fibonacci
826
Fizz Buzz
542
Happy Numbers
314
Leap Years
706
Niven Numbers
863
Odious Numbers
783
Pascalβs Triangle
469
Pernicious Numbers
686
Prime Numbers
585
Quine
946
Roman to Arabic
311
Seven Segment
444
Spelling Numbers
217
Ο
270