Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0110-0110-1111 pattern in any orientation.
A147354
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0110-0110-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =5a(4) =1a(5) =9a(6) =9a(7) =64a(8) =169a(9) =2060a(10) =1751a(11) =117702a(12) =30379a(13) =5432661a(14) =2655229a(15) =490197084a(16) =609857434a(17) =163861816417a(18) =142845961897
External references
- oeis: A147354