143726domain: 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, 0), (1, 1, -1)}.at n=10A149002Numbers n such that product of double factorials of the digits of n equals sigma(n).at n=26A158989