A153423 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A153423

Primes of the form n^2+9n+241.

241, 251, 263, 277, 293, 311, 331, 353, 431, 461, 563, 601, 641, 683, 727, 773, 821, 977, 1033, 1091, 1151, 1213, 1277, 1481, 1553, 1627, 1861, 2027, 2113, 2383, 2477, 2671, 3083, 3191, 3301, 3413, 3527, 3643, 3761, 3881, 4003, 4127, 4253, 4643, 5051

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Table[n^2+9n+241, {n, 0, 7000}], PrimeQ] (* Vincenzo Librandi, Jul 14 2012 *)

PROG

(Magma) [a: n in [0..100] | IsPrime(a) where a is n^2+9*n+241]; // Vincenzo Librandi, Jul 14 2012

CROSSREFS

Sequence in context: A198481 A306151 A075046 * A376501 A050968 A142918

Adjacent sequences: A153420 A153421 A153422 * A153424 A153425 A153426

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Dec 26 2008

STATUS

approved