290942303

Appears in sequences

• Number of (n+2)X3 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order.at n=6A204049
• Number of (n+2)X9 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order.at n=0A204055
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order.at n=21A204056