12 Days of Christmas
417349
Christmas Trees
401
Diamonds
362389
Divisors
633
Emirp Numbers
334
Evil Numbers
527714
Fibonacci
584888214
Fizz Buzz
465
Happy Numbers
323
Leap Years
716662
Niven Numbers
654
Odious Numbers
561712
Ordinal Numbers
380
Pangram Grep
257
Pascal’s Triangle
314400
Pernicious Numbers
359
Prime Numbers
633
Seven Segment
149
Spelling Numbers