251120928

Appears in sequences

• Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly one way, and new values 0..2 introduced in row major order.at n=2A204943
• T(n,k) = Number of (n+2) X (k+2) 0..2 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly one way, and new values 0..2 introduced in row major order.at n=12A204945