Theta series of {D_6}^{+} lattice.

Terms

a(0) =1a(1) =0a(2) =0a(3) =32a(4) =60a(5) =0a(6) =0a(7) =192a(8) =252a(9) =0a(10) =0a(11) =480a(12) =544a(13) =0a(14) =0a(15) =832a(16) =1020a(17) =0a(18) =0a(19) =1440a(20) =1560a(21) =0a(22) =0a(23) =2112a(24) =2080a(25) =0a(26) =0a(27) =2624a(28) =3264a(29) =0