4224288

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, 1), (-1, 1, 0), (-1, 1, 1), (1, 0, -1), (1, 0, 0)}.at n=13A148662
• Number of polygons formed when connecting all 4n points on the perimeter of an n X n square by infinite lines.at n=23A345459