99776859

Appears in sequences

• Number of (n+1) X (2+1) 0..3 arrays with every 2 X 2 subblock summing to a nonzero multiple of 3.at n=6A251337
• Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock summing to a nonzero multiple of 3.at n=1A251342
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to a nonzero multiple of 3.at n=29A251343