Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 110-111-010 pattern in any orientation.
A146241
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 110-111-010 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =37a(7) =73a(8) =549a(9) =1155a(10) =18213a(11) =46753a(12) =1912543a(13) =6241489a(14) =625732277a(15) =2571374751a(16) =388840217669
External references
- oeis: A146241