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

Terms

a(0) =1a(1) =-2a(2) =4a(3) =-6a(4) =10a(5) =-16a(6) =24a(7) =-36a(8) =52a(9) =-74a(10) =104a(11) =-144a(12) =198a(13) =-268a(14) =360a(15) =-480a(16) =634a(17) =-832a(18) =1084a(19) =-1404a(20) =1808a(21) =-2316a(22) =2952a(23) =-3744a(24) =4728a(25) =-5946a(26) =7448a(27) =-9294a(28) =11556a(29) =-14320