Theta series of 9-dimensional odd unimodular lattice E_8 + Z.

Terms

a(0) =1a(1) =2a(2) =240a(3) =480a(4) =2162a(5) =4320a(6) =7200a(7) =13440a(8) =21840a(9) =35042a(10) =43680a(11) =60960a(12) =95520a(13) =125280a(14) =143040a(15) =178560a(16) =261362a(17) =315840a(18) =347280a(19) =423840a(20) =557280a(21) =665280a(22) =696480a(23) =804480a(24) =1069920a(25) =1261922a(26) =1227360a(27) =1418880a(28) =1845120a(29) =2034720