191368

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, 1, 0), (-1, 1, 1), (0, 0, 1), (1, 0, -1)}.at n=12A148299
• a(n) = A152392(n)/n for n>=1.at n=8A266332