%I
%S 7,23,43,67,127,163,347,463,743,823,907,1087,1283,1607,1723,2503,2647,
%T 3767,3943,5923,6143,6367,6827,7547,8563,9643,9923,11083,11383,13267,
%U 14947,15647,16363,17467,18223,19387,20183,21407,24847,25747,26203
%N Primes of the form 7*x^2  5*y^2, where x and y are successive natural numbers.
%C a(n) is congruent 3 mod 4.
%C Primes of the form 2x^2+10x5, x>=1. [From _R. J. Mathar_ and _Vincenzo Librandi_, Apr 21 2010]
%Y Cf. A176470
%K nonn
%O 1,1
%A _Giovanni Teofilatto_, Apr 20 2010
%E More terms from _R. J. Mathar_ and _Vincenzo Librandi_, Apr 21 2010
