Numbers n such that m(n!) = 2, where m(n) = mu(n) + mu(n+1) + mu(n+2).
8, 13, 14, 18, 19, 20, 25, 36, 38, 43, 48, 51, 52, 54, 60, 71, 74, 75, 78, 80, 87, 91, 92
2 seqfan posts
Tue Feb 9 00:12:36 CET 2010 [seqfan] Re: controversial claims in A063684