38195

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, 1), (0, 1, -1), (0, 1, 0), (1, 0, 0)}.at n=9A149957
• a(n) = Sum(k^6*sigma(k)*sigma(n-k),k=1..n-1).at n=4A259694