Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 1 1 vertically.
A208495
Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 1 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =60a(3) =324a(4) =1794a(5) =12654a(6) =111328a(7) =1037300a(8) =13597800a(9) =200667632a(10) =3402101520a(11) =81763293780
External references
- oeis: A208495