120849domain: NAppears in sequencesa(n) = (3*11^n + 3^n)/4.at n=5A082724Expansion of (1+2*x^3)/(1-x+x^3-2*x^4).at n=44A103750Number 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), (-1, 1, -1), (1, 0, 1), (1, 1, -1), (1, 1, 0)}.at n=9A150413