Number of nX3 arrays containing 3 copies of 0..n-1 with no element plus any vertical neighbor equal to n-1.

A265861

Number of nX3 arrays containing 3 copies of 0..n-1 with no element plus any vertical neighbor equal to n-1.

Terms

    a(0) =1a(1) =0a(2) =152a(3) =22016a(4) =11544576a(5) =7521762432

External references