Theta series of A_10 lattice.

Terms

a(0) =1a(1) =110a(2) =1980a(3) =10230a(4) =30140a(5) =79992a(6) =155100a(7) =302280a(8) =487080a(9) =839630a(10) =1188660a(11) =1845360a(12) =2494470a(13) =3610200a(14) =4548060a(15) =6490374a(16) =7786790a(17) =10545480a(18) =12579600a(19) =16461720a(20) =19071162a(21) =24859560a(22) =27742440a(23) =35347950a(24) =39926040a(25) =49393014a(26) =54115380a(27) =67987150