Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 110-111-101 pattern in any orientation.
A146259
Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 110-111-101 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =13a(6) =31a(7) =77a(8) =447a(9) =3609a(10) =25623a(11) =200309a(12) =2271887a(13) =36004709a(14) =643384137a(15) =13404301669a(16) =367224822485
External references
- oeis: A146259