12 Days of Christmas
767
99 Bottles of Beer
421
Abundant Numbers
731585
577
628
Christmas Trees
470
Diamonds
291
Divisors
786816
567
704
Emirp Numbers
366
Evil Numbers
434
Fibonacci
476543
427
Fizz Buzz
751833951957696947
977563
Kolakoski Constant
68130
9671120
Leap Years
594
550
Niven Numbers
310
Odious Numbers
189
Prime Numbers
395
479
RecamΓ‘n
556
Ο
102