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

A330846

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

Terms

    a(0) =19a(1) =301a(2) =1753a(3) =6913a(4) =17713a(5) =38497a(6) =80473a(7) =139927a(8) =225595a(9) =356329a(10) =549967a(11) =756901a(12) =1113283a(13) =1474867a(14) =1913365a(15) =2620789a(16) =3418081a(17) =4119175a(18) =5428993a(19) =6453235a(20) =7861957a(21) =9761335a(22) =11913115a(23) =13695055a(24) =16489633a(25) =19439797a(26) =22464883a(27) =25997329a(28) =30860593a(29) =33866305

External references