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Maximal number of pairs of minimal vectors in n-dimensional laminated lattice.
0

%I #8 May 05 2016 23:28:36

%S 0,1,3,6,12,20,36,63,120,136,168,219,324,453,711,1170,2160,2673,3699,

%T 5334,8700,13860,24948,46575,98280,98328,98424,98571,98868,99253,

%U 100023,101346,104160

%N Maximal number of pairs of minimal vectors in n-dimensional laminated lattice.

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

%Y A002336 / 2.

%K nonn,hard,more

%O 0,3

%A _N. J. A. Sloane_ and _J. H. Conway_

%E Entry for n=31 corrected by C. Muses.