Number of n X n binary arrays with all ones connected only in an em 1,1 1,2 2,2 2,3 3,3 in any orientation.
A146144
Number of n X n binary arrays with all ones connected only in an em 1,1 1,2 2,2 2,3 3,3 in any orientation.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =19a(4) =97a(5) =863a(6) =18767a(7) =490889a(8) =19713443a(9) =1413873475a(10) =167866752937
External references
- oeis: A146144