Number of (n+2)X6 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically.
A204497
Number of (n+2)X6 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically.
Terms
- a(0) =6047817a(1) =42736635a(2) =306913392a(3) =2046727035a(4) =22441401117a(5) =402163470675
External references
- oeis: A204497