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A002395 Crystal forms in n dimensions. 0
1, 2, 9, 47 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

P. Engel, ``Geometric crystallography,'' in P. M. Gruber and J. M. Wills, editors, Handbook of Convex Geometry. North-Holland, Amsterdam, Vol. B, pp. 989-1041.

CROSSREFS

Sequence in context: A032331 A049371 A032079 * A042793 A059272 A188818

Adjacent sequences:  A002392 A002393 A002394 * A002396 A002397 A002398

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.