The number of vertices inside a heptagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.
A333113
The number of vertices inside a heptagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.
Terms
- a(0) =42a(1) =708a(2) =5369a(3) =17417a(4) =47796a(5) =99261a(6) =194278a(7) =331955a(8) =546805a(9) =833946a(10) =1245314a(11) =1762265a(12) =2461837a(13) =3311680a(14) =4402405a(15) =5700598a(16) =7322231a(17) =9200878a(18) =11494161a(19) =14108123a(20) =17224438a(21) =20752264a(22) =24894009a(23) =29506128a(24) =34854099a(25) =40780391a(26) =47552050
External references
- oeis: A333113