Theta series of {D_7}* lattice.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =14a(5) =0a(6) =0a(7) =128a(8) =84a(9) =0a(10) =0a(11) =0a(12) =280a(13) =0a(14) =0a(15) =896a(16) =574a(17) =0a(18) =0a(19) =0a(20) =840a(21) =0a(22) =0a(23) =2688a(24) =1288a(25) =0a(26) =0a(27) =0a(28) =2368a(29) =0