1,3

Is this the complement of A068499? [R. J. Mathar, Oct 21 2009]

Table of n, a(n) for n=1..71.

0+(-1)^0 = 1, not prime, which adds 0 to the sequence. 5+(-1)^5=4, not prime, which adds 5 to the sequence.

Cf. A072668, A141468, A060462, A118742.

Sequence in context: A255922 A241028 A171097 * A118742 A122904 A104693

Adjacent sequences: A166457 A166458 A166459 * A166461 A166462 A166463

nonn,easy

Juri-Stepan Gerasimov, Oct 14 2009

0 added by R. J. Mathar, Oct 21 2009

approved