107738

Appears in sequences

• Number of (n+2)X4 0..3 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly three ways, and new values 0..3 introduced in row major order.at n=8A204636
• Triangle read by rows, Bell transform of second order Bell numbers (A187761).at n=48A264430