Theta series of D_11 lattice.

Terms

a(0) =1a(1) =220a(2) =5302a(3) =33528a(4) =116380a(5) =339064a(6) =719400a(7) =1538416a(8) =2624182a(9) =4763220a(10) =7217144a(11) =11676280a(12) =16317048a(13) =25022184a(14) =32503680a(15) =47430768a(16) =59759260a(17) =82927856a(18) =101189550a(19) =137904360a(20) =161928184a(21) =215389680a(22) =250679288a(23) =323294576a(24) =369052200a(25) =474160324a(26) =527004280a(27) =668075232a(28) =742047856