A288181 Occurrence counts of chambers with maximum number of vertices in the chamber complex of an n X m lattice polygon as described in A288177, written as triangle T(n,m), n >= 1, 1 <= m <= n.
4, 2, 8, 14, 54, 168
Offset: 1
Examples
The chamber complex of the 5 X 5 lattice polygon has 16 chambers of size 6, so T(5,5)=16, taken from illustration on Pfetsch and Ziegler web page, see link in A288177.
Links
- Hugo Pfoertner, Chamber complex of 5 X 5 lattice polygon. Illustration.
- Hugo Pfoertner, Chamber complex of 7 X 5 lattice polygon. Illustration.
- Hugo Pfoertner, Chamber complex of 9 X 5 lattice polygon. Illustration.