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

A264194

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

Terms

    a(0) =225a(1) =29040a(2) =3748096a(3) =324210304a(4) =28044191296

External references