Number of n X 4 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.
A208254
Number of n X 4 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) =14a(1) =768a(2) =43344a(3) =2445264a(4) =137947632a(5) =7782199824a(6) =439026252912
External references
- oeis: A208254