Number of (n+2)X4 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally, vertically or nw-to-se diagonally.
A204402
Number of (n+2)X4 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) =47883a(1) =347247a(2) =3588983a(3) =45603178a(4) =518498299a(5) =5787193185a(6) =70339685822a(7) =814228386252
External references
- oeis: A204402