Highly composite numbers (2): numbers whose prime divisors are all <= 7.
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 32, 35, 36, 40
1 seqfan posts
Wed Feb 16 21:21:33 CET 2011 [seqfan] Re: multiplicative set-like sequences