40513225domain: NAppears in sequencesNumber of (n+1)X(2+1) arrays of permutations of 0..n*2-1 with each element moved a city block distance of exactly 2.at n=6A263386T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..n*k-1 with each element moved a city block distance of exactly 2.at n=29A263389