Number of n X 3 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
A280668
Number of n X 3 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =4a(1) =59a(2) =858a(3) =12484a(4) =181640a(5) =2642832a(6) =38452768a(7) =559481408a(8) =8140361856a(9) =118440917248
External references
- oeis: A280668