Number of (n+2) X 7 0..2 arrays with every 3 X 3 subblock having three strictly increasing elements in a row horizontally or vertically.
A204498
Number of (n+2) X 7 0..2 arrays with every 3 X 3 subblock having three strictly increasing elements in a row horizontally or vertically.
Terms
- a(0) =65606908a(1) =493398441a(2) =3151347159a(3) =22441401117a(4) =208673819127
External references
- oeis: A204498