2390621domain: NAppears in sequencesNumber of (n+1) X 2 0..2 arrays with every 2 X 2 subblock sum greater than 4.at n=7A184489Number of (n+1)X9 0..2 arrays with every 2X2 subblock sum greater than 4.at n=0A184496T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock sum greater than 4.at n=28A184497