Expansion of (eta(q^4) * eta(q^12) / (eta(q) * eta(q^3)))^2 in powers of q.

Terms

a(0) =1a(1) =2a(2) =5a(3) =12a(4) =22a(5) =42a(6) =80a(7) =136a(8) =233a(9) =396a(10) =636a(11) =1020a(12) =1622a(13) =2496a(14) =3822a(15) =5808a(16) =8642a(17) =12786a(18) =18788a(19) =27208a(20) =39184a(21) =56088a(22) =79432a(23) =111912a(24) =156823a(25) =217964a(26) =301517a(27) =415104a(28) =567758a(29) =773244