Numbers n such that maximal value of prime divisors of reduced residue system for n is 2.
7, 11, 13, 15, 16, 17, 19, 21, 22, 23, 25, 26, 27, 28, 29, 32, 33, 34, 35, 36, 38, 39, 40
2 seqfan posts
Mon Mar 22 00:22:20 CET 2010 [seqfan] Re: Cross-References to A006820