Number of (n+2)X9 binary arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum.

A187938

Number of (n+2)X9 binary arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum.

Terms

    a(0) =38020a(1) =328116a(2) =27734942a(3) =1239704056a(4) =75359054474

External references