354004

Appears in sequences

• Number of (n+2) X 6 0..2 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly three ways, and new values 0..2 introduced in row major order.at n=10A204366
• a(n) = n^4 + 14*n^3 + 63*n^2 + 98*n + 28.at n=21A346376