Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1100-0111-0001 pattern in any orientation.
A147276
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1100-0111-0001 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =225a(9) =445a(10) =5061a(11) =12325a(12) =159173a(13) =439491a(14) =12030763a(15) =38257835a(16) =4443537629a(17) =17894441301
External references
- oeis: A147276