1710234domain: 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, 1, 1), (0, 1, -1), (1, -1, 1), (1, 1, 0)}.at n=11A149412Expansion of (1/x) * Series_Reversion( x * ((1-x)^2-x^3)^2 ).at n=7A369511