Number of (n+1)X9 binary arrays with no 2X2 subblock containing fewer than two 1s.

A184206

Number of (n+1)X9 binary arrays with no 2X2 subblock containing fewer than two 1s.

Terms

    a(0) =31707a(1) =4556371a(2) =518574936a(3) =64377477751

External references