439909

Appears in sequences

• Number of 6 X n 0..1 arrays with rows and antidiagonals unimodal and columns nondecreasing.at n=10A224150
• 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 the edge on the opposite side of the square.at n=25A355799