801579

Appears in sequences

• Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock summing to 2 4 or 6.at n=3A251330
• Number of (n+1) X (4+1) 0..2 arrays with every 2 X 2 subblock summing to 2, 4, or 6.at n=2A251331
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to 2 4 or 6.at n=17A251335
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to 2 4 or 6.at n=18A251335