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A035596 Number of points of L1 norm 2n in Barnes-Wall lattice BW_16. 6
1, 0, 512, 0, 47872, 92160, 2671104, 9246720, 88632832, 300627968, 1708766720, 5099440128, 21224886528, 55690063872, 187789235712, 440993452032, 1275935628288, 2731242852352, 7030806944256, 13931439616000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

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

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

LINKS

Table of n, a(n) for n=0..19.

Index entries for sequences related to Barnes-Wall lattices

CROSSREFS

Sequence in context: A263167 A139303 A035884 * A095843 A095882 A190024

Adjacent sequences:  A035593 A035594 A035595 * A035597 A035598 A035599

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

EXTENSIONS

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

STATUS

approved

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Last modified February 21 10:49 EST 2019. Contains 320372 sequences. (Running on oeis4.)