Expansion of c(-q) * c(-q^3) / c(q^2)^2 in powers of q where c() is a cubic AGM theta function.

Terms

a(0) =1a(1) =-1a(2) =0a(3) =1a(4) =-2a(5) =0a(6) =4a(7) =-5a(8) =0a(9) =10a(10) =-12a(11) =0a(12) =20a(13) =-26a(14) =0a(15) =39a(16) =-50a(17) =0a(18) =76a(19) =-92a(20) =0a(21) =140a(22) =-168a(23) =0a(24) =244a(25) =-295a(26) =0a(27) =415a(28) =-496a(29) =0