103146domain: NAppears in sequencesNumbers k such that 109*2^k+1 is prime.at n=9A032404Number 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), (1, -1, 1), (1, 0, 1), (1, 1, -1)}.at n=9A149483