330985

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, 0), (-1, 1, 1), (1, 0, 1), (1, 1, -1)}.at n=10A149420
• a(1)=1, a(2)=5, a(n) = a(n-1) + 5*a(n-2).at n=12A189732