30417domain: NAppears in sequencesNumber of (n+3) X 8 binary arrays with every 4 X 4 subblock commuting with each horizontal and vertical neighbor 4 X 4 subblock.at n=13A188101G.f. A(x) satisfies: A(x*R(x)) = x^2 + x^3 where A(R(x)) = x.at n=12A350431