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A008524 Coordination sequence for 4-dimensional lonsdaleite (or wurtzite). 1
1, 5, 20, 53, 116, 213, 360, 561, 832, 1171, 1600 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
REFERENCES
M. O'Keeffe, N-dimensional diamond, sodalite and rare sphere packings, Acta Cryst., A 47 (1991), 749-753.
LINKS
M. O'Keeffe, N-dimensional diamond, sodalite and rare sphere packings, Acta Cryst., A 47 (1991), 749-753.
CROSSREFS
For 3-D see A008264. Cf. A008525 etc.
Sequence in context: A173034 A006010 A270334 * A055383 A090133 A351931
KEYWORD
nonn,more
AUTHOR
EXTENSIONS
Missing a(1)=5 inserted by Sean A. Irvine, Oct 17 2020
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)