1099131565domain: NAppears in sequencesNumber of (n+1)X5 0..2 arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.at n=3A185613T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.at n=24A185614