Number of n X n binary arrays with all ones connected only in a 0100-1100-0111-0001 pattern in any orientation.

A147261

Number of n X n binary arrays with all ones connected only in a 0100-1100-0111-0001 pattern in any orientation.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =9a(4) =33a(5) =105a(6) =825a(7) =13503a(8) =390699a(9) =9339771a(10) =391769047a(11) =28305812373

External references