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

Author

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

Keywords

• nonn
• more

Comments

See the links in A331908 for images of the hexagrams.

Crossrefs

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

A274586, A332600, A331765.

Extensions

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