Theta series of {D_8}* lattice.

Terms

a(0) =1a(1) =16a(2) =368a(3) =448a(4) =3184a(5) =2016a(6) =10304a(7) =5504a(8) =25712a(9) =12112a(10) =46368a(11) =21312a(12) =89152a(13) =35168a(14) =126592a(15) =56448a(16) =205936a(17) =78624a(18) =278576a(19) =109760a(20) =401184a(21) =154112a(22) =490176a(23) =194688a(24) =719936a(25) =252016a(26) =808864a(27) =327040