Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 110-111-110 pattern in any orientation.
A146265
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 110-111-110 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =7a(5) =1a(6) =104a(7) =73a(8) =2290a(9) =889a(10) =152134a(11) =23481a(12) =12486576a(13) =1748579a(14) =3428631159a(15) =537394622a(17) =210642575089
External references
- oeis: A146265