195580

Appears in sequences

• Number of nonequivalent dissections of an n-gon into n-4 polygons by nonintersecting diagonals up to rotation.at n=9A003445
• Numbers that are the sum of 11 positive 11th powers.at n=21A004822
• Number of edges formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares).at n=25A331765