A111294 Numbers n such that 23*n + 2 is prime.

0, 3, 7, 15, 19, 25, 33, 37, 43, 49, 63, 67, 87, 93, 103, 105, 115, 117, 129, 133, 157, 159, 165, 169, 175, 177, 183, 189, 193, 217, 219, 235, 243, 247, 253, 255, 267, 277, 297, 303, 309, 315, 325, 327, 337, 345, 355, 367, 373, 375, 379, 393, 397, 415, 435, 439

Offset

1,2

Links

Table of n, a(n) for n=1..56.

Example

If n=217 then 23*n + 2 = 4993 (prime).

Prog

(Magma) [n: n in [0..100000] |IsPrime(23*n + 2)] - Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(23*n+2) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Sequence in context: A098582 A235698 A089432 * A092899 A075694 A186300

Adjacent sequences: A111291 A111292 A111293 * A111295 A111296 A111297

Keyword

nonn,easy

Author

Parthasarathy Nambi, Nov 01 2005

Status

approved