Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0001-1101-0111 pattern in any orientation.
A147256
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0001-1101-0111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =17a(7) =21a(8) =549a(9) =1079a(10) =10673a(11) =26871a(12) =476485a(13) =1364599a(14) =88490477a(15) =316329117a(16) =38154154091a(17) =169142706059
External references
- oeis: A147256