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

A266317

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

Terms

    a(0) =1a(1) =0a(2) =8a(3) =614a(4) =203051a(5) =136141422a(6) =155788295580

External references