A166158 Numbers n such that phi(n)+ number of perfect partitions of (n-1) is prime.

1, 2, 3, 5, 6, 7, 10, 11, 13, 15, 17, 19, 22, 23, 29, 31, 33, 34, 37, 41, 43, 47, 53, 55, 58, 59, 61, 67, 69, 70, 71, 73, 78, 79, 82, 83, 85, 87, 89, 97, 101, 103, 105, 107, 109, 110, 113, 118, 123, 127, 130, 131, 137, 139, 142, 149, 151, 154, 157, 159, 163, 167, 173, 179

Offset

1,2

Comments

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

Links

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

Crossrefs

Cf. A000010, A000040, A002033.

Sequence in context: A068422 A085118 A276579 * A289997 A137313 A246867

Adjacent sequences: A166155 A166156 A166157 * A166159 A166160 A166161

Keyword

nonn,less

Author

Juri-Stepan Gerasimov, Oct 08 2009

Extensions

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

Status

approved