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%I #14 Aug 18 2013 09:43:10
%S 17,26261,90017,138401,176417,562517,788561,2022101,2683061,4743701,
%T 5336117,9622421,11614481,13927841,21344417,21734261,22184117,
%U 38192417,59629301,64448801,68558417,79923617,82301201,89302517,90098081,91814741,95648417
%N n=x^2+17, n and n+2 are prime.
%e 17=0^2+17, and 19 are prime.
%e 26261=162^2+17 and 26263 are prime.
%o (PARI) isok(n) = isprime(n) && isprime(n+2) && issquare(n-17); \\ _Michel Marcus_, Aug 18 2013
%Y Subsequence of A228244.
%K nonn
%O 1,1
%A _John L. Drost_, Dec 16 2010
%E a(26)-a(27) from _Michel Marcus_, Aug 18 2013
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