Expansion of Product_{n >= 1} (1+q^(2*n-1))/((1-q^(4*n))*(1+q^(4*n-2))).

Terms

a(0) =1a(1) =1a(2) =-1a(3) =0a(4) =3a(5) =2a(6) =-3a(7) =-1a(8) =8a(9) =5a(10) =-8a(11) =-3a(12) =18a(13) =11a(14) =-19a(15) =-7a(16) =38a(17) =22a(18) =-41a(19) =-16a(20) =75a(21) =42a(22) =-82a(23) =-33a(24) =142a(25) =78a(26) =-157a(27) =-64a(28) =258a(29) =138