6168792219

Appears in sequences

• Number of (n+1) X 5 0..3 arrays with every 2 X 2 subblock having one or two distinct values, and new values 0..3 introduced in row major order.at n=4A209844
• Number of (n+1)X6 0..3 arrays with every 2X2 subblock having one or two distinct values, and new values 0..3 introduced in row major order.at n=3A209845