Expansion of Eisenstein series E_4(q) (alternate convention E_2(q)); theta series of E_8 lattice.

A004009

Expansion of Eisenstein series E_4(q) (alternate convention E_2(q)); theta series of E_8 lattice.

Terms

    a(0) =1a(1) =240a(2) =2160a(3) =6720a(4) =17520a(5) =30240a(6) =60480a(7) =82560a(8) =140400a(9) =181680a(10) =272160a(11) =319680a(12) =490560a(13) =527520a(14) =743040a(15) =846720a(16) =1123440a(17) =1179360a(18) =1635120a(19) =1646400a(20) =2207520a(21) =2311680a(22) =2877120a(23) =2920320a(24) =3931200a(25) =3780240a(26) =4747680a(27) =4905600a(28) =6026880

External references