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A055408 Number of points in N^9 of norm <= n. 2

%I

%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.

%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

%K nonn

%O 0,2

%A _David W. Wilson_

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Last modified March 21 20:30 EDT 2019. Contains 321382 sequences. (Running on oeis4.)