Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1010-1111-1010 pattern in any orientation.
A147437
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1010-1111-1010 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =1a(6) =19a(7) =11a(8) =496a(9) =277a(10) =13622a(11) =3725a(12) =625566a(13) =100329a(14) =46290886a(15) =7689337
External references
- oeis: A147437