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

Terms

a(0) =1a(1) =-2a(2) =1a(3) =-4a(4) =6a(5) =-2a(6) =12a(7) =-16a(8) =5a(9) =-28a(10) =36a(11) =-12a(12) =60a(13) =-76a(14) =24a(15) =-120a(16) =150a(17) =-46a(18) =228a(19) =-280a(20) =86a(21) =-416a(22) =504a(23) =-152a(24) =732a(25) =-878a(26) =262a(27) =-1252a(28) =1488a(29) =-442