1170688domain: 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), (0, -1, 0), (0, 0, -1), (1, 1, 1)}.at n=12A149424Number of n X n (0,1)-matrices A over the reals such that A^2 is the transpose of A.at n=11A336614