Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0100-1100-0111 pattern in any orientation.
A146581
Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0100-1100-0111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =11a(6) =31a(7) =107a(8) =597a(9) =4235a(10) =35993a(11) =378513a(12) =5151733a(13) =87563339a(14) =1913743005a(15) =52850470565
External references
- oeis: A146581