Theta series of 12-dimensional unimodular lattice {D_12}^{+}.

Terms

a(0) =1a(1) =0a(2) =264a(3) =2048a(4) =7944a(5) =24576a(6) =64416a(7) =135168a(8) =253704a(9) =475136a(10) =825264a(11) =1284096a(12) =1938336a(13) =2973696a(14) =4437312a(15) =6107136a(16) =8118024a(17) =11354112a(18) =15653352a(19) =19802112a(20) =24832944a(21) =32800768a(22) =42517728a(23) =51523584