81508

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, 0), (0, 1, -1), (1, 0, 1)}.at n=11A148768
• Practical numbers q with q + 2 and q^2 + 2 both practical.at n=36A294225