Number of n X n binary arrays with all ones connected only in a 1000-1000-1111-0001 pattern in any orientation.

A147269

Number of n X n binary arrays with all ones connected only in a 1000-1000-1111-0001 pattern in any orientation.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =9a(4) =33a(5) =105a(6) =641a(7) =6905a(8) =201549a(9) =4387885a(10) =127114651a(11) =5630544435

External references