Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 0,1 or 1,2.

A264346

Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 0,1 or 1,2.

Terms

    a(0) =128a(1) =17711a(2) =4900000a(3) =549201567a(4) =98684484373

External references