Number of nX7 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.
A208257
Number of nX7 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) =365a(1) =393216a(2) =415737216a(3) =439026252912
External references
- oeis: A208257