Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 0,-2 1,0 or -1,0.
A264305
Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 0,-2 1,0 or -1,0.
Terms
- a(0) =0a(1) =441a(2) =4352a(3) =94320a(4) =3654505a(5) =66462504a(6) =1659712320a(7) =45752436553
External references
- oeis: A264305