57181621domain: NAppears in sequencesNumber of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock sum greater than 6.at n=2A184208Number of (n+1) X 4 0..3 arrays with every 2 X 2 subblock sum greater than 6.at n=2A184211T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock sum greater than 6.at n=12A184217