Number of (n+1)X8 0..3 arrays with every 2X2 subblock having two distinct values, and new values 0..3 introduced in row major order.
A209813
Number of (n+1)X8 0..3 arrays with every 2X2 subblock having two distinct values, and new values 0..3 introduced in row major order.
Terms
- a(0) =173789a(1) =23398105a(2) =3428713825a(3) =555404234236
External references
- oeis: A209813