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

A332428

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

Terms

    a(0) =135a(1) =2395a(2) =16434a(3) =53155a(4) =141147a(5) =293374a(6) =565767a(7) =966493a(8) =1580940a(9) =2411533a(10) =3581613a(11) =5070655a(12) =7057026a(13) =9493435a(14) =12594564a(15) =16307974a(16) =20902338a(17) =26269597a(18) =32760774a(19) =40217905a(20) =49049919a(21) =59090671a(22) =70803180

External references