52581

Appears in sequences

• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (0, -1, 0), (0, 0, -1), (1, 1, 1)}.at n=9A149578
• Number of n X 5 0..1 arrays with rows nondecreasing and antidiagonals unimodal.at n=6A224130
• Number of 7 X n 0..1 arrays with rows nondecreasing and antidiagonals unimodal.at n=4A224138
• The number of edges on a concave circular triangle formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.at n=15A340687