A333049 The number of edges inside a hexagram formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.

276, 6348, 36810, 137802, 356538, 760134, 1494702, 2668458, 4254294, 6597690, 10105662, 13949346, 20222142, 26925654, 35032086, 47139258, 60947286, 74831682, 96101142, 115904808, 141052560, 172931484, 210293622, 243217686

Offset

1,1

Comments

See the links in A331908 for images of the hexagrams.

Links

Table of n, a(n) for n=1..24.

Crossrefs

Cf. A331908 (regions), A331909 (n-gons), A333116 (vertices),

A274586, A332600, A331765.

Sequence in context: A028522 A007246 A107080 * A297525 A169976 A297755

Adjacent sequences: A333046 A333047 A333048 * A333050 A333051 A333052

Keyword

nonn,more

Author

Scott R. Shannon and N. J. A. Sloane, Mar 08 2020

Extensions

a(6)-a(24) from Lars Blomberg, May 10 2020

Status

approved