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Theta series of laminated lattice LAMBDA_17.
1

%I #7 Jun 16 2021 21:05:17

%S 1,0,5346,98304,918432,4587520,19177024,57212928,165906146,376963072,

%T 883961280,1698136064,3470990016,5941886976,11030584064,17382047744,

%U 30021568416,44448612352,72629554338,102332399616,160092212672,216807505920,327100501440,428995051520

%N Theta series of laminated lattice LAMBDA_17.

%D J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 174.

%H Andy Huchala, <a href="/A023939/b023939.txt">Table of n, a(n) for n = 0..20000</a>

%o (Magma)

%o L := Lattice("Lambda",17);

%o B := Basis(ThetaSeriesModularFormSpace(L),20);

%o Coefficients(B[1] + 5346*B[3] + 98304*B[4] + 918432*B[5] + 4587520*B[6]+19177024*B[7]+57212928*B[8]+165906146*B[9]); // _Andy Huchala_, Jun 16 2021

%K nonn

%O 0,3

%A _N. J. A. Sloane_.