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 A154601 Primes of the form 2*n^2 + 22*n + 9. 11
 61, 313, 709, 1249, 1933, 3229, 3733, 4273, 6793, 8269, 10753, 12589, 16693, 20149, 23929, 25261, 29473, 30949, 35593, 44053, 45853, 79549, 89413, 91969, 94561, 108061, 116593, 128473, 140929, 150649, 164113, 189061, 200293, 240073, 248461 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS 2*a(n) + 103 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+22n+9, {n, 0, 300}], PrimeQ] (* Vincenzo Librandi, Jul 23 2012 *) PROG (Magma) [a: n in [0..400] | IsPrime(a) where a is 2*n^2+22*n+9]; // 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. A154600. Sequence in context: A142217 A234029 A142923 * A188136 A142953 A245763 Adjacent sequences: A154598 A154599 A154600 * A154602 A154603 A154604 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Jan 12 2009 STATUS approved

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Last modified September 25 17:47 EDT 2023. Contains 365648 sequences. (Running on oeis4.)