%I A051629
%S A051629 1,0,0,0,2,0,2,0,4,0,5,0,9,0,9,0,15,0,17,1,23,1,27,3,36,3,39,6,
%T A051629 51,7,57,11,69,13,78,19,94,21,102,29,122,33,134,42,154,48,170,60,
%U A051629 195,66,210,81,240,90,260,106,290,118,315,138,351,150,375,174,417
%N A051629 Poincare series for Gamma_2(1,2).
%D A051629 Kogiso, T. and Tsushima, K., On an algebra of Siegel modular forms associated 
               with the theta group Gamma_2(1,2), Tsukuba J. Math. 22 (1998), 645-656.
%D A051629 B. Runge, Codes and Siegel modular forms, Discrete Math. 148 (1996), 
               175-204, p. 203, first displayed formula.
%p A051629 (1+x^6+x^8+x^10+x^19+x^21+x^23+x^29)/((1-x^4)^2*(1-x^6)*(1-x^12));
%Y A051629 Sequence in context: A132952 A029187 A035385 this_sequence A052120 A029186 
               A072680
%Y A051629 Adjacent sequences: A051626 A051627 A051628 this_sequence A051630 A051631 
               A051632
%K A051629 nonn,nice,easy
%O A051629 0,5
%A A051629 N. J. A. Sloane (njas(AT)research.att.com).