A173715 Number of minimally rigid n x n adjacency matrices of sphere packings in R^3.

1, 1, 1, 1, 1, 4, 29, 438, 13828, 750352

Offset

1,6

Links

Table of n, a(n) for n=1..10.

Natalie Arkus, Vinothan N. Manoharan, and Michael P. Brenner, Deriving Finite Sphere Packings, SIAM J. Discrete Math., 25 (2011), 1860-1901; arXiv:1011.5412 [cond-mat.soft], 2010. See Table 1.

Crossrefs

Cf. other columns of Table 1 of Arkus, Manoharan and Brenner: A006125, A000088, A390291, A390292.

Sequence in context: A324227 A380127 A277357 * A230326 A272869 A166168

Adjacent sequences: A173712 A173713 A173714 * A173716 A173717 A173718

Keyword

nonn,hard,more

Author

Jonathan Vos Post, Nov 25 2010

Status

approved