Number of (n+2)X(2+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum or central row sum equal to the central column sum.

A258562

Number of (n+2)X(2+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum or central row sum equal to the central column sum.

Terms

    a(0) =179776a(1) =4884100a(2) =134652816a(3) =3749847696a(4) =103717490704

External references