1950036

Appears in sequences

• Number of (n+1) X (1+1) 0..3 arrays with every 2 X 2 subblock summing to 3 6 or 9.at n=6A251293
• Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock summing to 3 6 or 9.at n=0A251299
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to 3 6 or 9.at n=21A251300
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to 3 6 or 9.at n=27A251300