Number of (n+1) X (2+1) 0..2 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..2 introduced in row major order.
A238907
Number of (n+1) X (2+1) 0..2 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..2 introduced in row major order.
Terms
- a(0) =9a(1) =41a(2) =486a(3) =4287a(4) =41165a(5) =385632a(6) =3638773a(7) =34262775a(8) =322817734a(9) =3040984385a(10) =28647966717a(11) =269877546432
External references
- oeis: A238907