1,1

Any multiple of an element of this sequence is in the sequence. The primitive elements of this sequence are A062457.

Table of n, a(n) for n=1..67.

Cf. A062457, A000040.

Sequence in context: A182339 A110262 A176693 * A100417 A070089 A069167

Adjacent sequences: A118669 A118670 A118671 * A118673 A118674 A118675

nonn

Franklin T. Adams-Watters, May 19 2006

An incorrect g.f. was deleted by N. J. A. Sloane, Sep 13 2009

approved