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%I #11 Sep 29 2019 13:23:47
%S 1,8,106,702,3390,11496,33792,83877,191433,394251,766518,1397065,
%T 2446316,4076126,6601783,10324698,15776495,23436651,34198045,48828417,
%U 68680634,94868383,129404333,173984393,231540046,304058667,395837165
%N Number of points in N^7 of norm <= n.
%H Andrew Howroyd, <a href="/A055406/b055406.txt">Table of n, a(n) for n = 0..500</a>
%F a(n) = [x^(n^2)] (1 + theta_3(x))^7/(128*(1 - x)), where theta_3() is the Jacobi theta function. - _Ilya Gutkovskiy_, Apr 15 2018
%Y Column k=7 of A302998.
%K nonn
%O 0,2
%A _David W. Wilson_
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