%I A051630
%S A051630 1,0,2,2,4,5,9,9,15,17,23,27,36,39,51,57,69,78,94,102,122,134,154,
%T A051630 170,195,210,240,260,290,315,351,375,417,447,489,525,574,609,665,
%U A051630 707,763,812,876,924,996,1052,1124,1188,1269,1332,1422,1494,1584
%N A051630 Poincare series (or Molien series) for Gamma_2(1,2)_(2).
%D A051630 B. Runge, Codes and Siegel modular forms, Discrete Math. 148 (1996), 
               175-204, p. 202, last displayed formula.
%p A051630 (1 + x^3 + x^4 + x^5)/((1 - x^2)^2*(1 - x^3)*(1 - x^6));
%Y A051630 Sequence in context: A116085 A085570 A059850 this_sequence A050045 A098386 
               A099574
%Y A051630 Adjacent sequences: A051627 A051628 A051629 this_sequence A051631 A051632 
               A051633
%K A051630 nonn,nice,easy
%O A051630 0,3
%A A051630 N. J. A. Sloane (njas(AT)research.att.com).