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A087862

Primes of the form 16*m^2 + 169, m=1,2,3,...

233, 313, 569, 953, 1193, 2473, 3769, 4793, 6569, 10169, 11833, 12713, 16553, 22073, 28393, 29753, 32569, 40169, 52153, 53993, 61673, 71993, 78569, 115769, 129769, 135593, 144569, 160169, 169913, 186793, 222953, 238313, 250169, 258233, 262313

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OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Table[16n^2+169, {n, 0, 700}], PrimeQ] (* Vincenzo Librandi, Dec 11 2011 *)

PROG

(PARI) fourmp1(m, n) = { forstep(x=1, m, 1, y=16*(x^2+n^2)+8*n+1; if(isprime(y), print1(y", ")) ) }

(Magma) [a: n in [0..200] | IsPrime(a) where a is 16*n^2+169]; // Vincenzo Librandi, Dec 11 2011

CROSSREFS

Sequence in context: A142182 A105981 A160574 * A141280 A097446 A154621

Adjacent sequences: A087859 A087860 A087861 * A087863 A087864 A087865

KEYWORD

nonn,easy

AUTHOR

Cino Hilliard, Oct 09 2003

STATUS

approved

URL: https://oeis.org/A087862

⇱ A087862 - OEIS