Number of (n+2)X8 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically, exactly one way.

A204415

Number of (n+2)X8 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically, exactly one way.

Terms

    a(0) =254913953a(1) =395943745a(2) =422397021a(3) =1122887052a(4) =1364559057a(5) =2050960896a(6) =13168291392a(7) =115434720000a(8) =978463169280

External references