1515912

Appears in sequences

• G.f. A(x) satisfies: 2 = Sum_{n=-oo..+oo} x^n * A(x)^n * (A(x)^n + x^n)^n.at n=9A292088
• Number of edges 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 the edge on the opposite side of the square.at n=28A355800