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G.f. = Phi^2*F^4, where Phi = g.f. for A028930, F = g.f. for A028959.
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%I #4 Oct 18 2019 18:56:09

%S 1,8,28,68,160,344,608,1032,1784,2836,4416,6928,10348,15260,21848,

%T 30112,42012,57312,76308,101272,131648,169064,215496,270344,335484,

%U 415128,506736,608908,738976,873268,1045160,1214468,1437016,1648432,1946832,2201072

%N G.f. = Phi^2*F^4, where Phi = g.f. for A028930, F = g.f. for A028959.

%D Köklüce, Bülent. "Cusp forms in S_6 (Gamma_ 0(23)), S_8 (Gamma_0 (23)) and the number of representations of numbers by some quadratic forms in 12 and 16 variables." The Ramanujan Journal 34.2 (2014): 187-208. See p. 196. (A028930 is Phi_1, A028959 is F_1.)

%Y Cf. A028930, A028959.

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Oct 18 2019