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

A140308

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

Terms

    a(0) =1a(1) =2a(2) =16a(3) =382a(4) =33940a(5) =10537021a(6) =10478502929

External references