1,2

Table of n, a(n) for n=1..55.

a(n)=A171696(n)+A002822(n).

Cf. A002822, A171696.

Sequence in context: A306481 A211320 A215601 * A038355 A043128 A043908

Adjacent sequences: A172050 A172051 A172052 * A172054 A172055 A172056

nonn

Juri-Stepan Gerasimov, Jan 24 2010

Entries checked by R. J. Mathar, May 22 2010

approved