12 Days of Christmas
410
351
Christmas Trees
422
Diamonds
382
397
Divisors
643
Emirp Numbers
340
Evil Numbers
549
727
Fibonacci
600
900
216
Fizz Buzz
469
Happy Numbers
329
Leap Years
740
672
Niven Numbers
667
Odious Numbers
588
727
Ordinal Numbers
391
Pangram Grep
264
Pascalβs Triangle
332
410
Pernicious Numbers
367
Prime Numbers
645
Seven Segment
152
Spelling Numbers