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

A331908

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

Terms

    a(0) =168a(1) =3588a(2) =20424a(3) =73860a(4) =189468a(5) =402216a(6) =782808a(7) =1385040a(8) =2214108a(9) =3423840a(10) =5196312a(11) =7218552a(12) =10353432a(13) =13823772a(14) =18047124a(15) =24083736a(16) =31051152a(17) =38334972a(18) =48877440a(19) =59201544a(20) =72052956a(21) =88004184a(22) =106601088a(23) =124009020

External references