12 Days of Christmas
394
99 Bottles of Beer
281
Abundant Numbers
728580
514
497
Christmas Trees
467
Diamonds
288
Divisors
785815
567
704
Emirp Numbers
351
Evil Numbers
433
Fibonacci
476542
427
Fizz Buzz
743830949955692831
891557
Kolakoski Constant
67118
9560119
Leap Years
592
549
Niven Numbers
308
Odious Numbers
189
Prime Numbers
395
402
RecamΓ‘n
554
Ο
102