%I #6 Dec 05 2013 19:56:53
%S 1,2,4,11,48,362,5030,133924,6977521,719087781,147394353130,
%T 60255915944715,49197429536084417,80280819225274033666,
%U 261914438169525117048056
%N A050029(2^n + 1).
%K nonn
%O 0,2
%A _Amarnath Murthy_, Jul 01 2004
%E Extended and description corrected by _Antti Karttunen_, Aug 25 2006