363451domain: NAppears in sequencesDiagonal sums of binomial-Möbius product.at n=18A101510Number 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), (-1, 1, 1), (0, 1, 1), (1, 0, -1)}.at n=12A148450