336339domain: NAppears in sequencesNumbers k such that k and k^2 use only the digits 1, 2, 3, 6 and 9.at n=45A136981Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (-1, 1, 0), (0, 1, 1), (1, -1, 1), (1, 1, -1)}.at n=10A149071