Number of nX6 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1.
A203540
Number of nX6 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1.
Terms
- a(0) =0a(1) =196a(2) =10404a(3) =614656a(4) =46485124a(5) =3743237124a(6) =257720706244
External references
- oeis: A203540