Expansion of ((theta_2)^4 + (theta_3)^4) / eta(z/2)^4.

Terms

a(0) =1a(1) =28a(2) =134a(3) =568a(4) =1809a(5) =5316a(6) =13990a(7) =34696a(8) =80724a(9) =180068a(10) =384940a(11) =796760a(12) =1598789a(13) =3127360a(14) =5971922a(15) =11170160a(16) =20491033a(17) =36947444a(18) =65553412a(19) =114619248a(20) =197681341a(21) =336670120a(22) =566630192a(23) =943234040a(24) =1553941445a(25) =2535325644a(26) =4098671374a(27) =6568931200a(28) =10441889389