Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0111-1100-0111 pattern in any orientation.
A147369
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0111-1100-0111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =1a(6) =19a(7) =13a(8) =300a(9) =253a(10) =9196a(11) =2685a(12) =408268a(13) =46561a(14) =21554860
External references
- oeis: A147369