106027domain: NAppears in sequencesE.g.f. satisfies: A(x) = Sum_{n>=0} 1/n! * Sum_{k=0..n} C(n,k)*(1 + x/2*A(x)^(n-k))^(n-k) * (-1 + x/2*A(x)^k)^k.at n=6A196022Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.at n=9A306048