A010368 - OEIS

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A010368

Number of points of L1 norm 2n in Hamming code version of E_8 lattice.

1, 16, 352, 3376, 19648, 82256, 273440, 767600, 1894784, 4228752, 8703712, 16763824, 30549568, 53125072, 88750496, 143203568, 224154368, 341597456, 508345440, 740588080, 1058521024, 1487048272 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	REFERENCES	`P. Sole', Counting lattice points in pyramids, Discr. Math. 139 (1995), 381-392.`
	MAPLE	`series(((1+x)^8+224x^2(1+x)^4+256*x^4)/(1-x)^8, x, 40);`
	CROSSREFS	`Cf. A010369.` `Sequence in context: A058722 A173906 A136269 * A053103 A171680 A155122` `Adjacent sequences: A010365 A010366 A010367 * A010369 A010370 A010371`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Simon Plouffe (simon.plouffe(AT)gmail.com)`

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Last modified February 14 16:17 EST 2012. Contains 205635 sequences.