171188domain: NAppears in sequencesa(n) = A077700(n+1)/A077700(n).at n=31A077701Number of nX6 0..1 arrays with every element unequal to 0, 1, 2 or 7 king-move adjacent elements, with upper left element zero.at n=11A304228Number of fixed polyominoes of area n with holes.at n=12A389193