Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.
A264421
Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.
Terms
- a(0) =0a(1) =385a(2) =15088a(3) =1103666a(4) =95946259a(5) =7577203142a(6) =577598946184
External references
- oeis: A264421