Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,0 0,2 1,0 or -1,-2.
A264370
Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,0 0,2 1,0 or -1,-2.
Terms
- a(0) =1a(1) =129a(2) =16641a(3) =418992a(4) =10549504a(5) =353333680a(6) =11834176225a(7) =371455955580
External references
- oeis: A264370