2685906domain: NAppears in sequencesExpansion of 1/(1 - Sum_{i>=1, j>=1, k>=1} x^(i*j*k)).at n=15A304963Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 7 or 8 king-move adjacent elements, with upper left element zero.at n=7A316516