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

A146674

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

Terms

    a(0) =1a(1) =1a(2) =1a(3) =9a(4) =25a(5) =93a(6) =633a(7) =8913a(8) =136370a(9) =2447483a(10) =66801664a(11) =2869431585a(12) =170625522480

External references