Number of nX6 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward neighbors.
A208256
Number of nX6 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward neighbors.
Terms
- a(0) =122a(1) =49152a(2) =19566912a(3) =7782199824
External references
- oeis: A208256