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
302
Intersection
425
Kolakoski Sequence
436
Leap Years
651
Niven Numbers
830
Niven Numbers (Long)
785
Number Spiral
161
Ordinal Numbers
540
Pangram Grep
Pernicious Numbers
482
Prime Numbers
568
Quine
946
RecamΓ‘n
591
Van Eck Sequence
339
Ο
56