A154317 Numbers n such that nonprime(prime(n))+n is prime.

1, 3, 15, 17, 19, 22, 25, 37, 47, 77, 82, 91, 97, 98, 104, 110, 135, 136, 139, 147, 157, 159, 162, 180, 190, 197, 233, 237, 239, 249, 260, 266, 270, 278, 282, 293, 299, 310, 316, 327, 334, 346, 353, 369, 380, 402, 404, 413, 415, 417, 426, 429, 452, 474, 489

Offset

1,2

Comments

Where n-th nonprime is A141468(n): 0, 1, 4, 6, ....

Links

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

Crossrefs

Sequence in context: A012634 A043060 A029476 * A291122 A323033 A365371

Adjacent sequences: A154314 A154315 A154316 * A154318 A154319 A154320

Keyword

nonn,easy,less

Author

Juri-Stepan Gerasimov, Jan 07 2009

Extensions

Corrected and rewritten by Charles R Greathouse IV, Apr 01 2010

Status

approved