822928

Appears in sequences

• Number of vertices formed in a square by straight line segments when connecting the n-1 points between each corner that divide each edge into n equal parts to the n-1 points on each of the two adjacent edges of the square.at n=24A358408
• E.g.f. A(x) satisfies A(x) = exp(x + x^2/2 * A'(x)).at n=7A385322