239227domain: NAppears in sequencesNumbers k such that k and k^2 use only the digits 2, 3, 5, 7 and 9.at n=24A137084Number 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), (0, 1, 0), (0, 1, 1), (1, -1, 1), (1, 0, -1)}.at n=9A150628