The number of vertices inside a pentagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.
A330847
The number of vertices inside a pentagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.
Terms
- a(0) =10a(1) =121a(2) =1055a(3) =3506a(4) =10410a(5) =21111a(6) =43740a(7) =74526a(8) =124490a(9) =190291a(10) =288190a(11) =403321a(12) =573805a(13) =771191a(14) =1027550a(15) =1331896a(16) =1721765a(17) =2157301a(18) =2712175a(19) =3322441a(20) =4067325a(21) =4904491a(22) =5900185a(23) =6975151a(24) =8268755a(25) =9678566a(26) =11297345a(27) =13060231a(28) =15102955a(29) =17263311
External references
- oeis: A330847