105124

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, 0, 0), (-1, 0, 1), (0, -1, 1), (0, 1, -1), (1, 0, 0)}.at n=11A148570
• a(n) = A002526(n+1) - A002527(n+1).at n=12A188379