Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1110-0110-0111 pattern in any orientation.
A147498
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1110-0110-0111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =9a(7) =13a(8) =169a(9) =289a(10) =1635a(11) =3769a(12) =26681a(13) =58223a(14) =2298509a(15) =6525751
External references
- oeis: A147498