Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1110-1111 pattern in any orientation.
A146741
Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1110-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =13a(6) =35a(7) =153a(8) =683a(9) =3961a(10) =40313a(11) =425869a(12) =5201531a(13) =83958899a(14) =1605656621a(15) =40845335121
External references
- oeis: A146741