%I
%S 5,7,9,13,15,19,25,27,33,37,39,43,45,55,67,69,73,79,85,87,93,99,103,
%T 109,115,117,123,129,135,139,145,157,159,169,177,183,187,193,195,213,
%U 219,223,225,235,237,243,249,253,255,265,277,285,289,297
%N Odd numbers n such that 2*n7 is a prime of the form 4*k+3.
%D M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna 1988
%D Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta,UTET, CittaStudiEdizioni, Milano 1997
%Y Cf. A002145.
%Y a(n)=A087915(n)+5
%K easy,nonn
%O 1,1
%A _Giovanni Teofilatto_, Dec 08 2003
%E Offset corrected by Arkadiusz Wesolowski, Aug 09 2011
