Number of n X n binary arrays with all ones connected only in a 110-111-010 pattern in any orientation.

A146240

Number of n X n binary arrays with all ones connected only in a 110-111-010 pattern in any orientation.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =17a(4) =55a(5) =445a(6) =7601a(7) =166611a(8) =5058693a(9) =255201297a(10) =21434365863

External references