12 Days of Christmas
742763
Christmas Trees
422
Diamonds
382475
Divisors
679
Emirp Numbers
420
Evil Numbers
560727
Fibonacci
613900257
Fizz Buzz
513
Happy Numbers
425
Leap Years
740672
Niven Numbers
667
Odious Numbers
588727
Ordinal Numbers
479
Pangram Grep
312
Pascal’s Triangle
332443
Pernicious Numbers
367
Prime Numbers
645
Seven Segment
209
Spelling Numbers