297261domain: NAppears in sequencesNumber of base 23 n-digit numbers with adjacent digits differing by three or less.at n=6A126491Number 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, 0, 1), (0, 1, 0), (1, -1, 0)}.at n=11A149864