Number of n X n 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).
A230062
Number of n X n 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).
Terms
- a(0) =0a(1) =9a(2) =45a(3) =15129a(4) =14082255a(5) =114228452529
External references
- oeis: A230062