%I #7 Sep 05 2019 11:09:27
%S 5,13,17,25,26,29,43,50,58,61,65,67,73,77,85,86,93,101,103,109,111,
%T 116,122,130,133,134,137,145,146,149,155,163,170,172,173,181,183,186,
%U 193,197,202,206,218,233,235,237,241,245,259,260,266,267,268,273,277,281
%N a(n) = A005278(n)/2.
%Y Cf. A005278.
%K nonn
%O 1,1
%A _Artur Jasinski_, Dec 30 2006
%E More terms from _Amiram Eldar_, Sep 05 2019