16036923domain: NAppears in sequencesNumber of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock summing to 2 3 4 5 or 6.at n=2A251382Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock summing to 2 3 4 5 or 6.at n=2A251385T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to 2 3 4 5 or 6.at n=12A251390