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A035596 Number of points of L1 norm 2n in Barnes-Wall lattice BW_16. 6

%I

%S 1,0,512,0,47872,92160,2671104,9246720,88632832,300627968,1708766720,

%T 5099440128,21224886528,55690063872,187789235712,440993452032,

%U 1275935628288,2731242852352,7030806944256,13931439616000

%N Number of points of L1 norm 2n in Barnes-Wall lattice BW_16.

%D Barlaud, Sole' et al., Pyramidal lattice vector quantization..., IEEE Trans. Image Proc., 3 (1994), 367-380.

%D J. Serra-Sagrista, Enumeration of lattice points in l_1 norm, Information Processing Letters, 76, no. 1-2 (2000), 39-44.

%H <a href="/index/Ba#BW">Index entries for sequences related to Barnes-Wall lattices</a>

%K nonn,easy

%O 0,3

%A _N. J. A. Sloane_

%E More terms from Joan Serra-Sagrista (jserra(AT)ccd.uab.es)

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Last modified May 19 14:36 EDT 2019. Contains 323395 sequences. (Running on oeis4.)