2517805domain: NAppears in sequencesNumber of (n+1) X 2 0..4 arrays with every 2 X 2 subblock summing to 8.at n=7A183644Number of (n+1)X9 0..4 arrays with every 2x2 subblock summing to 8.at n=0A183651T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with every 2X2 subblock summing to 8.at n=28A183652