201902domain: 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), (-1, 0, 1), (1, 1, 0), (1, 1, 1)}.at n=9A150904Number of integer partitions of 2n with reverse-alternating sum -2.at n=37A344741