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%I #8 Dec 16 2020 19:26:38
%S 1,0,756,17472,700812,13487040,143699220,1061439552,6038839548,
%T 27868766016,109814205816,378998996544,1173180111852,3325312497024,
%U 8715279904416,21337957069632,49450420013148,108741984430464,228329201738484,461698406495424,899506102392072
%N Theta series of lattice A_2 tensor E_7^2+ (dimension 28, min norm 4).
%H N. J. A. Sloane, <a href="/A037150/a037150.pdf">Notes on Two-dimensional Theta Series of Lattices</a> (Notes on some joint work with Eric M. Rains), pages 96-115, circa Jun 08 1998, of N. J. A. Sloane's notebook "Lattices Volume 79".
%F G.f.: phi_0(z)^14 - 84*phi_0(z)^8*Delta_12(z) + 1008*phi_0(z)^2*Delta_12(z)^2 where phi_0(z) is the theta series of the A_2 lattice given in A004016, and Delta_12 is the 12-dimensional cusp form given in A007332. - _Sean A. Irvine_, Dec 16 2020
%K nonn
%O 0,3
%A _N. J. A. Sloane_.
%E More terms from _Sean A. Irvine_, Dec 16 2020
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