42739domain: NAppears in sequencesNumbers k such that 237*2^k+1 is prime.at n=16A032495Number 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, 1), (0, 1, 1), (1, 0, -1), (1, 1, 0)}.at n=8A150604