22737087954domain: NAppears in sequencesNumber of (n+2)X3 0..2 arrays with no 2X2 subblock sum equal to any diagonal or antidiagonal neighbor 2X2 subblock sum.at n=5A187597T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with no 2X2 subblock sum equal to any diagonal or antidiagonal neighbor 2X2 subblock sum.at n=15A187600