2502895domain: NAppears in sequencesStarting positions of strings of five 4's in the decimal expansion of Pi.at n=20A083617Number 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, -1, 0), (-1, 1, -1), (0, 0, -1), (1, 0, 1)}.at n=14A148534