Number of (n+4)X1 arrays of occupancy after each element moves up to +-n places including 0.

A222348

Number of (n+4)X1 arrays of occupancy after each element moves up to +-n places including 0.

Terms

    a(0) =55a(1) =352a(2) =1560a(3) =6225a(4) =24038a(5) =92036a(6) =352296a(7) =1351572

External references