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A201714 Primes of the form 2n^2 - 7. 2
11, 43, 193, 281, 331, 443, 571, 641, 1051, 1451, 2731, 3691, 4993, 6043, 6491, 7193, 7681, 8443, 8971, 9241, 10651, 11243, 12161, 13441, 15131, 16193, 16921, 17291, 18043, 19993, 21211, 23321, 28793, 29761, 32251, 34841, 42043, 43801 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..5000

MATHEMATICA

Select[Table[2n^2-7, {n, 2, 900}], PrimeQ]

PROG

(MAGMA) [a: n in [2..300] | IsPrime(a) where a is 2*n^2-7];

CROSSREFS

Sequence in context: A196153 A213763 A302226 * A269422 A259798 A239266

Adjacent sequences:  A201711 A201712 A201713 * A201715 A201716 A201717

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Dec 04 2011

STATUS

approved

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Last modified April 6 09:00 EDT 2020. Contains 333268 sequences. (Running on oeis4.)