Expansion of phi(x) / psi(x^2)^2 in powers of x where phi(), psi() are Ramanujan theta functions.

Terms

a(0) =1a(1) =2a(2) =-2a(3) =-4a(4) =5a(5) =6a(6) =-10a(7) =-12a(8) =17a(9) =24a(10) =-30a(11) =-40a(12) =50a(13) =62a(14) =-80a(15) =-100a(16) =127a(17) =160a(18) =-196a(19) =-244a(20) =296a(21) =360a(22) =-442a(23) =-532a(24) =649a(25) =786a(26) =-940a(27) =-1132a(28) =1347a(29) =1600