Expansion of (phi(x)^3 / phi(x^3))^2 in powers of x where phi() is a Ramanujan theta function.

Terms

a(0) =1a(1) =12a(2) =60a(3) =156a(4) =204a(5) =72a(6) =-84a(7) =96a(8) =492a(9) =588a(10) =360a(11) =144a(12) =60a(13) =168a(14) =480a(15) =936a(16) =1068a(17) =216a(18) =-516a(19) =240a(20) =1224a(21) =1248a(22) =720a(23) =288a(24) =348a(25) =372a(26) =840a(27) =1884a(28) =1632a(29) =360