Number of (n+2)X7 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically, exactly one way.

A204414

Number of (n+2)X7 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically, exactly one way.

Terms

    a(0) =22956524a(1) =52039032a(2) =49914501a(3) =89459577a(4) =253954944a(5) =1364559057a(6) =8802512928a(7) =94119917760a(8) =799779768057

External references