1993744domain: NAppears in sequencesNumber of nX4 arrays of permutations of 0..n*4-1 with each element moved a city block distance of 0 or 2.at n=3A263422T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with each element moved a city block distance of 0 or 2.at n=24A263424