Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change -2,0 -1,0 0,-1 or 1,1.
A264633
Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change -2,0 -1,0 0,-1 or 1,1.
Terms
- a(0) =4a(1) =32a(2) =280a(3) =4032a(4) =50353a(5) =604916a(6) =7907841a(7) =93847752a(8) =1194621651a(9) =14564772393a(10) =178963281032
External references
- oeis: A264633