Number of n X n 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally or antidiagonally.
A233151
Number of n X n 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally or antidiagonally.
Terms
- a(0) =3a(1) =24a(2) =432a(3) =17496a(4) =1658232a(5) =367125912a(6) =191184793128
External references
- oeis: A233151