91723domain: 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, 1, 0), (0, 1, -1), (0, 1, 1), (1, -1, 0)}.at n=10A148882Numbers n such that the three numbers pi(n), pi(n^2), and pi(n^3) are prime.at n=21A233463