285357

Appears in sequences

• Number of inequivalent ways of dissecting a regular (n+2)-gon into n triangles by n-1 non-intersecting diagonals under rotations and reflections; also the number of (unlabeled) maximal outerplanar graphs on n+2 vertices.at n=14A000207
• Number of 4X4X4 triangular 0..n arrays with every horizontal row nondecreasing and having the same average value.at n=15A214908