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

A333110

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

Terms

    a(0) =136a(1) =2632a(2) =17728a(3) =60672a(4) =163776a(5) =341920a(6) =673112a(7) =1155144a(8) =1892528a(9) =2905088a(10) =4327912a(11) =6104696a(12) =8557008a(13) =11532288a(14) =15271624a(15) =19829528a(16) =25447640a(17) =31957872a(18) =39935984a(19) =49008392a(20) =59807600a(21) =72151536a(22) =86465832a(23) =102403360

External references