Theta series of 16-dimensional lattice OBW16, an overlattice of the Barnes-Wall lattice BW16.

Terms

a(0) =1a(1) =0a(2) =0a(3) =512a(4) =4320a(5) =18432a(6) =61440a(7) =193536a(8) =522720a(9) =1126400a(10) =2211840a(11) =4584960a(12) =8960640a(13) =14764032a(14) =23224320a(15) =40221696a(16) =67154400a(17) =96546816a(18) =135168000a(19) =210332160a(20) =319809600a(21) =423976960a(22) =550195200a(23) =801119232a(24) =1147643520a(25) =1436147712a(26) =1771683840a(27) =2462397440a(28) =3371915520