1342083

Appears in sequences

• Number of (n+2)X(n+2) 0..2 arrays with each 3X3 subblock having sum 9.at n=2A187639
• Number of (n+2)X5 0..2 arrays with each 3X3 subblock having sum 9.at n=2A187642
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock having sum 9.at n=12A187645