82971domain: NAppears in sequencesa(n) = ceiling(e^(n*(1+sqrt(5))/2)).at n=6A140231Number 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, 0), (0, 1, -1), (0, 1, 1), (1, 0, 0), (1, 1, 0)}.at n=8A151123E.g.f. satisfies A(x) = exp(x * A(x)) / (1 - x)^3.at n=5A377811