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

A264075

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

Terms

    a(0) =64a(1) =6765a(2) =1210000a(3) =94000060a(4) =10427064769

External references