629579domain: 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, 0), (0, 1, -1), (1, -1, 1), (1, 1, 1)}.at n=10A149735Centered truncated cube numbers: a(n) = (46*n^3 - 69*n^2 + 29*n - 3)/3.at n=34A390140