Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 filled by rows with each element moved a city block distance of 0 or 1, and rows and columns in increasing lexicographic order.

A263522

Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 filled by rows with each element moved a city block distance of 0 or 1, and rows and columns in increasing lexicographic order.

Terms

    a(0) =66a(1) =1198a(2) =25968a(3) =489294a(4) =9051857a(5) =162207955a(6) =2861438066a(7) =49842444849a(8) =860844781350

External references