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

A264317

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

Terms

    a(0) =1a(1) =240a(2) =7821a(3) =167348a(4) =3932500a(5) =101336088a(6) =2478206839a(7) =60633004449

External references