Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1001-1111-0100 pattern in any orientation.
A146834
Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1001-1111-0100 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =5a(6) =17a(7) =41a(8) =159a(9) =789a(10) =4693a(11) =37959a(12) =362149a(13) =3798435a(14) =51198703a(15) =878343647a(16) =18110228679a(17) =463058495339
External references
- oeis: A146834