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A154577 Primes of the form 2n^2+14n+5. 13
5, 41, 293, 401, 461, 593, 821, 1181, 1493, 1721, 3593, 4493, 5081, 7793, 12941, 16001, 16361, 17093, 21821, 28541, 29021, 31481, 33521, 36161, 39461, 45281, 48341, 54101, 56093, 65141, 66593, 74093, 75641, 76421, 83621, 92861, 98993, 101681 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Primes in A154576. [Omar E. Pol, Aug 05 2009]

Subsequence of A007528, A040117. [Bruno Berselli, Jun 18 2014]

2*a(n) + 39 is a square. - Vincenzo Librandi, Apr 10 2015

LINKS

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

MATHEMATICA

Select[Table[2n^2+14n+5, {n, 0, 15001}], PrimeQ] (* Vincenzo Librandi, Jul 23 2012 *)

PROG

(MAGMA) [a: n in [0..300] | IsPrime(a) where a is 2*n^2+14*n+5]; // Vincenzo Librandi, Jul 23 2012

(PARI) for (n=0, 300, if (isprime (k=2*n^2+14*n+5), print1 (k, ",  "))); \\ Vincenzo Librandi, Jul 23 2012

CROSSREFS

Cf. A007528, A040117, A154576.

Sequence in context: A223009 A155455 A218349 * A198688 A202249 A067381

Adjacent sequences:  A154574 A154575 A154576 * A154578 A154579 A154580

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Jan 12 2009

EXTENSIONS

a(30)=66593 inserted, definition corrected and edited by Omar E. Pol, Aug 05 2009, Aug 06 2009

Added the first term 5 by Vincenzo Librandi, Jul 23 2012

STATUS

approved

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Last modified July 10 11:42 EDT 2020. Contains 335576 sequences. (Running on oeis4.)