Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 110-100-111 pattern in any orientation.
A146172
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 110-100-111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =117a(7) =259a(8) =1991a(9) =4759a(10) =52453a(11) =136907a(12) =6546215a(13) =22604681a(14) =6955049615a(15) =33225401665
External references
- oeis: A146172