Expansion of 1/(Sum_{i>=0} q^(2*i*(i+1))/Product_{j=0..i} (1 - q^(2*j+1))^2).

Terms

a(0) =1a(1) =-2a(2) =1a(3) =0a(4) =-1a(5) =2a(6) =-1a(7) =-2a(8) =5a(9) =-4a(10) =-2a(11) =10a(12) =-13a(13) =4a(14) =16a(15) =-32a(16) =24a(17) =14a(18) =-62a(19) =76a(20) =-17a(21) =-100a(22) =185a(23) =-126a(24) =-108a(25) =382a(26) =-426a(27) =36a(28) =655a(29) =-1098