Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1000-1111-0110 pattern in any orientation.
A146613
Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1000-1111-0110 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =7a(6) =21a(7) =49a(8) =235a(9) =1289a(10) =9339a(11) =82787a(12) =865777a(13) =11018603a(14) =179905507a(15) =3665014053a(16) =93285011401
External references
- oeis: A146613