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A174423 Number of "iterative" n x n adjacency matrices of sphere packings in R^3. 2

%I #7 Mar 30 2012 16:51:56

%S 1,1,1,1,1,3,26,437,13823,750226

%N Number of "iterative" n x n adjacency matrices of sphere packings in R^3.

%C See reference for precise definition.

%H Natalie Arkus, Vinothan N. Manoharan, Michael P. Brenner. <a href="http://arxiv.org/abs/1011.5412"> Deriving Finite Sphere Packings</a>, Nov 24, 2010.

%Y Cf. A173715, A174424.

%K nonn

%O 1,6

%A _N. J. A. Sloane_, Nov 27 2010

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)