Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change 1,0 0,-1 1,2 or -1,1.
A264581
Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change 1,0 0,-1 1,2 or -1,1.
Terms
- a(0) =1a(1) =56a(2) =333a(3) =2232a(4) =30718a(5) =314166a(6) =2561017a(7) =24729380a(8) =248623843a(9) =2294091610a(10) =21321186497a(11) =204951390856
External references
- oeis: A264581