%I #17 Feb 10 2021 11:23:42
%S 276,6348,36810,137802,356538,760134,1494702,2668458,4254294,6597690,
%T 10105662,13949346,20222142,26925654,35032086,47139258,60947286,
%U 74831682,96101142,115904808,141052560,172931484,210293622,243217686
%N 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.
%C See the links in A331908 for images of the hexagrams.
%Y Cf. A331908 (regions), A331909 (n-gons), A333116 (vertices),
%Y A274586, A332600, A331765.
%K nonn,more
%O 1,1
%A _Scott R. Shannon_ and _N. J. A. Sloane_, Mar 08 2020
%E a(6)-a(24) from _Lars Blomberg_, May 10 2020