Number of n X n binary matrices containing no more than eight 1s in any 3 X 3 sub-block.

A140311

Number of n X n binary matrices containing no more than eight 1s in any 3 X 3 sub-block.

Terms

    a(0) =1a(1) =2a(2) =16a(3) =511a(4) =65089a(5) =33066176a(6) =66993993728

External references