Number of n X n binary arrays with all ones connected only in a 00100-11111-00100 pattern in any orientation.

A147003

Number of n X n binary arrays with all ones connected only in a 00100-11111-00100 pattern in any orientation.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =21a(6) =77a(7) =479a(8) =3600a(9) =33995a(10) =482862a(11) =8547925a(12) =199841936a(13) =6379998757a(14) =265761442757

External references