12 Days of Christmas
400
349
Christmas Trees
401
Diamonds
361
389
Divisors
633
Emirp Numbers
333
Evil Numbers
526
714
Fibonacci
583
888
214
Fizz Buzz
465
Happy Numbers
322
Leap Years
715
661
Niven Numbers
654
Odious Numbers
561
712
Ordinal Numbers
380
Pangram Grep
257
Pascalβs Triangle
313
400
Pernicious Numbers
359
Prime Numbers
633
Seven Segment
149
Spelling Numbers