102022domain: NAppears in sequences5-Smith numbers.at n=20A103126Ternary emirpimes.at n=28A119684Number 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, 0), (-1, -1, 1), (-1, 0, -1), (1, 0, 1), (1, 1, 0)}.at n=9A150352