460096436

Appears in sequences

• Number of (n+2)X3 0..3 arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum.at n=5A187354
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum.at n=15A187356