104920domain: NAppears in sequencesNumber 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), (1, 1, -1), (1, 1, 1)}.at n=10A149281Expansion of (1/x) * Series_Reversion( x / ((1+x)^2 * (1+x^2*(1+x)^3)) ).at n=8A387498