%I #9 Mar 01 2021 06:39:31
%S 1,1,1,1,9,1,1,17,17,1,1,25,97,25,1,1,33,241,241,33,1,1,41,449,1161,
%T 449,41,1,1,49,721,3297,3297,721,49,1,1,57,1057,7161,14721,7161,1057,
%U 57,1,1,65,1457,13265
%N Duplicate of A081582.
%K dead
%O 0,5