12 Days of Christmas
394
99 Bottles of Beer
281
Abundant Numbers
728
580
514
497
Christmas Trees
467
Diamonds
288
Divisors
785
815
567
704
Emirp Numbers
351
Evil Numbers
433
Fibonacci
476
542
427
Fizz Buzz
743
829
948
954
692
831
891
558
Kolakoski Constant
67
118
95
60
119
Leap Years
592
549
Niven Numbers
308
Odious Numbers
189
Prime Numbers
395
402
RecamΓ‘n
554
Ο
101