12 Days of Christmas
361
99 Bottles of Beer
366
Abundant Numbers
642
Christmas Trees
547
Diamonds
494
Divisors
844
Emirp Numbers
422
Fibonacci
725
Fizz Buzz
641
Fractions
303
Intersection
425
Kolakoski Sequence
428
Leap Years
652
Niven Numbers
830
Niven Numbers (Long)
786
Number Spiral
162
Ordinal Numbers
540
Pangram Grep
Pernicious Numbers
483
Prime Numbers
569
Quine
946
Recamán
591
Van Eck Sequence
339
π
56