Number of convex hulls of vertices of a regular n-gon which include the centroid, up to dihedral symmetry.

A291857

Number of convex hulls of vertices of a regular n-gon which include the centroid, up to dihedral symmetry.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =3a(4) =3a(5) =8a(6) =10a(7) =22a(8) =32a(9) =64a(10) =102a(11) =200a(12) =336a(13) =643a(14) =1144a(15) =2170a(16) =3960a(17) =7533a(18) =14022a(19) =26724a(20) =50404a(21) =96349a(22) =183322a(23) =351610a(24) =673044a(25) =1294714a(26) =2489502a(27) =4801854a(28) =9264396a(29) =17912476

External references