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A217511 Theta series of hexagonal diamond or Lonsdaleite net with respect to an atom. 0
1, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 1, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 6, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 18 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,10

REFERENCES

G. L. Hall, Comment on the paper "Theta series and magic numbers for diamond and certain ionic crystal structures" [J. Math. Phys. 28, 1653 (1987)]. Journal of Mathematical Physics; Sep. 1988, Vol. 29 Issue 9, pp. 2090-2092. - From N. J. A. Sloane, Dec 18 2012

N. J. A. Sloane, Theta-Series and Magic Numbers for Diamond and Certain Ionic Crystal Structures, J. Math. Phys., 28 (1987), pp. 1653-1657.

LINKS

Table of n, a(n) for n=0..71.

CROSSREFS

Sequence in context: A124856 A061858 A005873 * A307380 A178990 A276570

Adjacent sequences:  A217508 A217509 A217510 * A217512 A217513 A217514

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Oct 05 2012

STATUS

approved

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Last modified June 6 04:15 EDT 2020. Contains 334859 sequences. (Running on oeis4.)