Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its north, west or southeast neighbor modulo n and the upper left element equal to 0.

A267545

Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its north, west or southeast neighbor modulo n and the upper left element equal to 0.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =255a(4) =55971a(5) =27018228a(6) =26810032261

External references