Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 10101-11111 pattern in any orientation.
A147422
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 10101-11111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =15a(5) =5a(6) =49a(7) =17a(8) =271a(9) =61a(10) =18529a(11) =4397a(12) =509931a(13) =142159a(14) =26069792
External references
- oeis: A147422