%I A028573
%S A028573 1,0,0,0,2,4,0,0,0,0,0,0,0,4,0,0,4,0,0,0,4,0,0,0,0,0,0,
%T A028573 0,0,4,0,0,4,0,0,0,2,4,0,0,0,0,0,0,0,4,0,0,0,0,0,0,4,4,
%U A028573 0,0,0,0,0,0,0,4,0,0,4,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,8
%N A028573 Expansion of theta_3(z)*theta_3(4z)+theta_2(z)*theta_2(4z).
%Y A028573 Sequence in context: A082871 A139627 A166926 this_sequence A138758 A107501 
               A126732
%Y A028573 Adjacent sequences: A028570 A028571 A028572 this_sequence A028574 A028575 
               A028576
%K A028573 nonn
%O A028573 0,5
%A A028573 N. J. A. Sloane (njas(AT)research.att.com).