Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 110-111-100 pattern in any orientation.
A146181
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 110-111-100 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =133a(7) =283a(8) =2411a(9) =6513a(10) =104581a(11) =308359a(12) =31267501a(13) =125706815a(14) =30388182025a(15) =158816649115
External references
- oeis: A146181