Number of n X n binary arrays symmetric about main diagonal with all ones connected only either three adjacent vertically or three adjacent horizontally.
A145760
Number of n X n binary arrays symmetric about main diagonal with all ones connected only either three adjacent vertically or three adjacent horizontally.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =8a(5) =27a(6) =96a(7) =569a(8) =4093a(9) =37611a(10) =421080a(11) =6366190a(12) =123605120a(13) =3088656877a(14) =98116765714
External references
- oeis: A145760