76413domain: NAppears in sequencesa(n) = floor((7*2^(n+1)-9*n-10)/3).at n=14A005262Number 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), (0, 1, 0), (0, 1, 1), (1, 0, 0), (1, 1, -1)}.at n=8A151077