669934domain: NAppears in sequencesNumber of asymmetric trees with a forbidden limb of length 3.at n=29A052326Number 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, 1, 1), (0, 1, 1), (1, 0, -1), (1, 0, 0)}.at n=10A150287