159331domain: 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, 0, 0), (-1, 0, 1), (0, 0, -1), (0, 1, 0), (1, -1, 1)}.at n=11A148464a(n) = c(n,n-1,...,1), the Cantor tuple function c applied to n-tuple (n,n-1,...,1).at n=4A226598