A154592 - OEIS

A154592

Primes of the form 2n^2+18n+7, n>=0.

7, 79, 331, 727, 1951, 2347, 5479, 8287, 9907, 10771, 17827, 18979, 21391, 22651, 26647, 28051, 32479, 42307, 44071, 51487, 55411, 57427, 63691, 65851, 72547, 77191, 89431, 99871, 108079, 113731, 147391, 157327, 160711, 171079, 211867, 223747, 235951, 252727

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OFFSET

1,1

COMMENTS

7 together with the primes in A154591.

2*a(n) + 67 is a square. - Vincenzo Librandi, Apr 10 2015

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Table[2n^2+18n+7, {n, 0, 2000}], PrimeQ]

PROG

(Magma) [a: n in [0..400] | IsPrime(a) where a is 2*n^2+18*n+7];