Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0110-1111-0100 pattern in any orientation.
A146587
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0110-1111-0100 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =17a(7) =21a(8) =549a(9) =1019a(10) =12531a(11) =32807a(12) =1040313a(13) =3290973a(14) =362333049a(15) =1474237921a(16) =266711200491
External references
- oeis: A146587