Number of (n+1)X5 0..2 arrays with every 2X2 subblock having one or two distinct values, and new values 0..2 introduced in row major order.
A209825
Number of (n+1)X5 0..2 arrays with every 2X2 subblock having one or two distinct values, and new values 0..2 introduced in row major order.
Terms
- a(0) =1169a(1) =46034a(2) =1842509a(3) =74564193a(4) =3025299170a(5) =122849339000
External references
- oeis: A209825