Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,0 0,1 0,2 or 1,0.

A263819

Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,0 0,1 0,2 or 1,0.

Terms

    a(0) =121a(1) =11305a(2) =643905a(3) =31916832a(4) =1746531193a(5) =96761217077

External references