Number of n X n binary arrays with all ones connected only in a 1100-0111-0001-0001 pattern in any orientation.

A147283

Number of n X n binary arrays with all ones connected only in a 1100-0111-0001-0001 pattern in any orientation.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =9a(4) =41a(5) =209a(6) =1201a(7) =15001a(8) =432817a(9) =13376085a(10) =514375741a(11) =28401013633

External references