440777

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, 1), (0, 1, -1), (1, 0, 1)}.at n=12A148792
• Number of maximal matchings in the n-prism graph.at n=16A284703