Number of (n+2)X6 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically, exactly one way.

A204413

Number of (n+2)X6 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically, exactly one way.

Terms

    a(0) =2827014a(1) =5597126a(2) =5776350a(3) =11785518a(4) =89459577a(5) =1122887052a(6) =6016853259a(7) =53009843553a(8) =657496617930

External references