1,2

Table of n, a(n) for n=1..73.

Multiplicative with a(p^e) = e+1 if p = 2; ((p-1)^(e+1)-1)/(p-2) if p > 2. - David W. Wilson, Sep 01 2001

Sequence in context: A181805 A212010 A328745 * A099209 A099208 A331299

Adjacent sequences: A003964 A003965 A003966 * A003968 A003969 A003970

nonn,mult

Marc LeBrun

More terms from David W. Wilson, Aug 29 2001

approved