1,2

Numbers n such that A000010(n) + A002033(n-1) is prime.

Table of n, a(n) for n=1..64.

Cf. A000010, A000040, A002033.

Sequence in context: A068422 A085118 A276579 * A289997 A137313 A246867

Adjacent sequences: A166155 A166156 A166157 * A166159 A166160 A166161

nonn,less

Juri-Stepan Gerasimov, Oct 08 2009

Index in the definition corrected, and extended by R. J. Mathar, Oct 10 2009

approved