1488777

Appears in sequences

• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1010-1111-0101 pattern in any orientation.at n=13A147435
• 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, 0, 1), (1, 0, -1), (1, 0, 1), (1, 1, 1)}.at n=10A150934