%I #10 Jul 26 2017 09:19:13
%S 0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%T 0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,
%U 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6
%N a(n) = A005926(n)/2.
%H Antti Karttunen, <a href="/A045840/b045840.txt">Table of n, a(n) for n = 0..387</a> (computed from b-file of A005926 provided by Herman Jamke)
%Y Cf. A005926.
%K nonn
%O 0,20
%A _N. J. A. Sloane_
%E More terms (computed from those of A005926) by _Antti Karttunen_, Jul 24 2017