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A087862
Primes of the form 16*m^2 + 169, m=1,2,3,...
2
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
OFFSET
1,1
LINKS
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
KEYWORD
nonn,easy
AUTHOR
Cino Hilliard, Oct 09 2003
STATUS
approved