1,3

Table of n, a(n) for n=1..72.

Multiplicative with a(p^e) = (q-1)q^(e-1) were q = partition(pi(p)+1) = A000041(A000720(p)+1). - David W. Wilson, Sep 01 2001

Sequence in context: A152455 A293484 A000010 * A122645 A122646 A028496

Adjacent sequences: A003975 A003976 A003977 * A003979 A003980 A003981

nonn,mult

Marc LeBrun

More terms from David W. Wilson, Aug 29 2001

approved