517764domain: NAppears in sequencesNumber 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), (0, 0, -1), (0, 1, 0), (1, -1, 0)}.at n=13A148193Number of arrays of the median of three adjacent elements of some length -(n+2) 0..3 array.at n=10A228735