Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 0,1 0,-1 -2,0 or 1,1.
A264877
Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 0,1 0,-1 -2,0 or 1,1.
Terms
- a(0) =1a(1) =49a(2) =1101a(3) =22152a(4) =356692a(5) =4747695a(6) =68488297a(7) =1050281271a(8) =16268725036a(9) =247512489984
External references
- oeis: A264877