149423domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers k such that 155*2^k+1 is prime.at n=25A032454Number 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, 0, 1), (0, 1, 1), (1, -1, 1), (1, 0, -1)}.at n=10A149040Prime numbersat n=13801