1,2

Table of n, a(n) for n=1..60.

It seems that a(n) is asymptotic to c*n*Log(Log(n)) with 2.1< c <2.3

Sequence in context: A089409 A287269 A136988 * A292412 A113733 A294434

Adjacent sequences: A074722 A074723 A074724 * A074726 A074727 A074728

nonn

Benoit Cloitre, Sep 04 2002

approved