12 Days of Christmas
408
99 Bottles of Beer
440
Arabic to Roman
414
Christmas Trees
528
Emirp Numbers
394
Evil Numbers
553
Fibonacci
676
Fizz Buzz
672
Happy Numbers
357
Odious Numbers
529
565
Pangram Grep
Pernicious Numbers
491
Prime Numbers
554
551
Roman to Arabic
Seven Segment
339
Spelling Numbers