829824domain: NAppears in sequencesNumber of nX2 arrays containing 2 copies of 0..n-1 with no element plus any horizontal or antidiagonal neighbor equal to n-1.at n=5A265854T(n,k) = Number of n X k arrays containing k copies of 0..n-1 with no element plus any horizontal or antidiagonal neighbor equal to n-1.at n=26A265856