Number of n X 3 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.
A208253
Number of n X 3 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) =5a(1) =96a(2) =2040a(3) =43344a(4) =920928a(5) =19566912a(6) =415737216a(7) =8833148160a(8) =187677464064
External references
- oeis: A208253