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A126591
Coordination sequence of a point in the sphere packing 4/3/c27 of Fischer, or the lcv-a net.
0
1, 4, 6, 11, 12, 22, 24, 44, 48, 88, 91, 128, 111, 182, 167, 254, 223, 296, 259, 392, 351, 516, 420, 536, 470, 682, 598, 850, 682, 872, 746, 1044, 908, 1264, 1007, 1280, 1087, 1502, 1283, 1750, 1395
OFFSET
0,2
COMMENTS
Space group of the packing is I4(1)32. The terms are computed using the TOPOLAN program.
LINKS
W. Fischer, Existenzbedingungen homogener Kugelpackungen zu kubischen Gitterkomplexen mit drei Freiheitsgraden, Zeitschr. f. Kristallographie Vol. 140 (1974), pp. 50-74 (see p. 63).
R. W. Grosse-Kunstleve, G.O. Brunner and N. J. A. Sloane, Algebraic description of coordination sequences and exact topological densities for zeolites, Acta Cryst. Vol A52 (1996), pp. 879-889.
Reticular Chemistry Structure Resource, lcv-a
CROSSREFS
Cf. A038620.
Sequence in context: A031271 A369329 A180713 * A031452 A185868 A250125
KEYWORD
nonn,more
AUTHOR
Wilfrid E. Klee (wiwi.klee(AT)inka.de), Mar 23 2007, Apr 03 2007
EXTENSIONS
Name edited by Andrey Zabolotskiy, Oct 05 2017
STATUS
approved