Expansion of phi(-x^3) / f(-x^2) in powers of x where phi(), f() are Ramanujan theta functions.

Terms

a(0) =1a(1) =0a(2) =1a(3) =-2a(4) =2a(5) =-2a(6) =3a(7) =-4a(8) =5a(9) =-6a(10) =7a(11) =-10a(12) =13a(13) =-14a(14) =17a(15) =-22a(16) =26a(17) =-30a(18) =36a(19) =-44a(20) =52a(21) =-60a(22) =70a(23) =-84a(24) =99a(25) =-112a(26) =131a(27) =-156a(28) =179a(29) =-204