2451317

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, 1), (-1, 0, 1), (1, 0, 0), (1, 1, -1)}.at n=14A148139
• Half the number of nXnXn triangular binary arrays with each element having no more than two neighbors equal to itself.at n=13A183275