Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-0100-0111 pattern in any orientation.
A146438
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-0100-0111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =19a(7) =33a(8) =673a(9) =1349a(10) =16579a(11) =42631a(12) =824515a(13) =2487353a(14) =285732571a(15) =1128078211a(16) =244308162719
External references
- oeis: A146438