%I #9 Dec 19 2015 13:50:56
%S 11,17,33,49,51,61,97,99,103,127,147,149,151,153,163,173,183,199,223,
%T 241,251,291,297,309,311,317,331,347,349,373,381,383,419,421,441,447,
%U 453,459,487,489,491,509,519,549,571,597,659,661,669,677,723,753,757
%N 2i + 1 such that A039508(i) = 3.
%Y Cf. A039508-A039515.
%K nonn
%O 0,1
%A _Christian G. Bower_, Feb 15 1999