Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 1,0 1,1 0,-1 or -1,1.
A264574
Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 1,0 1,1 0,-1 or -1,1.
Terms
- a(0) =3a(1) =32a(2) =224a(3) =4104a(4) =57265a(5) =1133040a(6) =16284544a(7) =273793368a(8) =4390726564a(9) =71355343752
External references
- oeis: A264574