Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 101-111-100 pattern in any orientation.
A146191
Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 101-111-100 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =13a(6) =31a(7) =85a(8) =561a(9) =4911a(10) =35269a(11) =314409a(12) =4382215a(13) =80159625a(14) =1612619787a(15) =40395227173
External references
- oeis: A146191