Number of n X n binary arrays with all ones connected only in a 2X3 U in any orientation.

A146054

Number of n X n binary arrays with all ones connected only in a 2X3 U in any orientation.

Terms

    a(0) =1a(1) =1a(2) =9a(3) =29a(4) =153a(5) =2069a(6) =42313a(7) =973281a(8) =38746505a(9) =2736250609a(10) =283141781389

External references