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

Terms

a(0) =1a(1) =-2a(2) =6a(3) =-15a(4) =33a(5) =-68a(6) =134a(7) =-253a(8) =460a(9) =-811a(10) =1394a(11) =-2344a(12) =3863a(13) =-6253a(14) =9964a(15) =-15653a(16) =24269a(17) =-37178a(18) =56331a(19) =-84489a(20) =125529a(21) =-184867a(22) =270027a(23) =-391391a(24) =563205a(25) =-804925a(26) =1142998a(27) =-1613195a(28) =2263675a(29) =-3159023