Number of n X n 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, vertically or antidiagonally.
A232934
Number of n X n 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, vertically or antidiagonally.
Terms
- a(0) =3a(1) =12a(2) =84a(3) =1048a(4) =26644a(5) =1294504a(6) =123516664a(7) =22870954236
External references
- oeis: A232934