4697571356

Appears in sequences

• Number of (n+1)X5 0..3 arrays with every 2X2 subblock having two or four distinct values, and new values 0..3 introduced in row major order.at n=4A210121
• Number of (n+1)X6 0..3 arrays with every 2X2 subblock having two or four distinct values, and new values 0..3 introduced in row major order.at n=3A210122