Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,2 or 2,1.

A264192

Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,2 or 2,1.

Terms

    a(0) =36a(1) =864a(2) =20736a(3) =395280a(4) =7535025a(5) =150305220a(6) =2998219536a(7) =59481442800

External references