|
%I #11 Sep 29 2019 13:24:28
%S 1,10,265,2780,19250,91067,349122,1115334,3134307,7903501,18286018,
%T 39418159,79946582,154050794,283766861,503208408,861586362,1432132554,
%U 2314882321,3655071196,5640732550,8538547541,12683700617,18541085573
%N Number of points in N^9 of norm <= n.
%H Andrew Howroyd, <a href="/A055408/b055408.txt">Table of n, a(n) for n = 0..500</a>
%F a(n) = [x^(n^2)] (1 + theta_3(x))^9/(512*(1 - x)), where theta_3() is the Jacobi theta function. - _Ilya Gutkovskiy_, Apr 15 2018
%Y Column k=9 of A302998.
%K nonn
%O 0,2
%A _David W. Wilson_
|
