Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,0 1,1 0,-1 -1,1 or 0,-2.
A264250
Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,0 1,1 0,-1 -1,1 or 0,-2.
Terms
- a(0) =21a(1) =3897a(2) =243881a(3) =23471441a(4) =2448948509a(5) =240749059561
External references
- oeis: A264250