Expansion of theta_3(q) / theta_3(q^2) in powers of q.

Terms

a(0) =1a(1) =2a(2) =-2a(3) =-4a(4) =6a(5) =8a(6) =-12a(7) =-16a(8) =22a(9) =30a(10) =-40a(11) =-52a(12) =68a(13) =88a(14) =-112a(15) =-144a(16) =182a(17) =228a(18) =-286a(19) =-356a(20) =440a(21) =544a(22) =-668a(23) =-816a(24) =996a(25) =1210a(26) =-1464a(27) =-1768a(28) =2128a(29) =2552