A383108 - OEIS

A383108

Number of crystallographic orbits in n dimensions, counting enantiomorphic pairs as distinct.

1, 2, 30, 427

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

REFERENCES

Peter Engel, Geometric crystallography, D. Reidel Publishing Company, 1986. See Theorem 8.14 on p. 189.

Peter Engel, Geometric crystallography, in: P. M. Gruber and J. M. Wills, editors, Handbook of Convex Geometry, North-Holland, Amsterdam, 1993, Vol. B, pp. 989-1041. See Theorem 6.7 on p. 1027.

LINKS

Table of n, a(n) for n=0..3.

Online Dictionary of Crystallography, Crystallographic orbit.

CROSSREFS

Cf. A006227.

Sequence in context: A077517 A060042 A217855 * A285298 A134362 A296980

Adjacent sequences: A383105 A383106 A383107 * A383109 A383110 A383111

KEYWORD

nonn,hard,more,nice

AUTHOR

Andrey Zabolotskiy, Apr 16 2025

STATUS

approved