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

A332419

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

Terms

    a(0) =390a(1) =7800a(2) =48870a(3) =164470a(4) =430840a(5) =900890a(6) =1735800a(7) =2982660a(8) =4849740a(9) =7438490a(10) =11017860a(11) =15596420a(12) =21713060a(13) =29254830a(14) =38714410a(15) =50238450a(16) =64311090a(17) =80839300a(18) =100786890a(19) =123786030a(20) =150835530

External references