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 or right-upward antidiagonal neighbors.
A209095
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 or right-upward antidiagonal neighbors.
Terms
- a(0) =5a(1) =76a(2) =1326a(3) =23248a(4) =407832a(5) =7154944a(6) =125526240a(7) =2202232576a(8) =38635976064a(9) =677829707776
External references
- oeis: A209095