Number of (n+2)X8 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally, vertically or nw-to-se diagonally.
A204406
Number of (n+2)X8 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally, vertically or nw-to-se diagonally.
Terms
- a(0) =852798050a(1) =5787193185a(2) =30090522927a(3) =415155518470
External references
- oeis: A204406