Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1101-0111 pattern in any orientation.
A146725
Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1101-0111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =13a(6) =35a(7) =157a(8) =741a(9) =4435a(10) =44453a(11) =490313a(12) =6256041a(13) =104651895a(14) =2130039209a(15) =56493398929
External references
- oeis: A146725