Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 1,0 2,1 or -1,-1.
A264480
Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 1,0 2,1 or -1,-1.
Terms
- a(0) =1a(1) =32a(2) =124a(3) =2232a(4) =24773a(5) =310748a(6) =4039259a(7) =50217832a(8) =620351086a(9) =7791932046a(10) =96985215280
External references
- oeis: A264480