312109

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, 0, 1), (1, 0, 1), (1, 1, -1), (1, 1, 0)}.at n=9A150823
• Number of rooted trees with n nodes such that no more than two subtrees corresponding to children of any node have the same number of nodes.at n=17A213920