12 Days of Christmas
767
99 Bottles of Beer
420
Abundant Numbers
731584
577
628
Christmas Trees
470
Diamonds
291
Divisors
785815
567
704
Emirp Numbers
366
Evil Numbers
433
Fibonacci
476542
427
Fizz Buzz
751832950957696947
976562
Kolakoski Constant
68130
9671120
Leap Years
593
550
Niven Numbers
310
Odious Numbers
189
Prime Numbers
395
479
RecamΓ‘n
556
Ο
101