Theta series of A_9 lattice.

Terms

a(0) =1a(1) =90a(2) =1260a(3) =4920a(4) =13320a(5) =30492a(6) =55860a(7) =94680a(8) =156240a(9) =232770a(10) =332640a(11) =471240a(12) =636480a(13) =835020a(14) =1098900a(15) =1391040a(16) =1720800a(17) =2181780a(18) =2614260a(19) =3118680a(20) =3889962a(21) =4519140a(22) =5207760a(23) =6237000a(24) =7208640a(25) =8274510a(26) =9585000a(27) =10816560a(28) =12215520a(29) =14153760