1988695378

Appears in sequences

• Number of (n+1) X (1+1) 0..3 arrays with every 2 X 2 subblock summing to 3 4 5 6 7 8 or 9.at n=6A251500
• Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock summing to 3 4 5 6 7 8 or 9.at n=0A251506
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to 3 4 5 6 7 8 or 9.at n=21A251507