Half the number of (n+2)X9 binary arrays with no 3X3 subblock having a sum equal to any horizontal or vertical neighbor 3X3 subblock sum.

A187962

Half the number of (n+2)X9 binary arrays with no 3X3 subblock having a sum equal to any horizontal or vertical neighbor 3X3 subblock sum.

Terms

    a(0) =7626496a(1) =86157696a(2) =860108472a(3) =7359939574a(4) =98476432408

External references