Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 0,-1 -2,0 or 1,1.
A264876
Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 0,-1 -2,0 or 1,1.
Terms
- a(0) =0a(1) =20a(2) =228a(3) =2348a(4) =22400a(5) =207424a(6) =1946752a(7) =18265856a(8) =171168256a(9) =1602206720a(10) =14987712512a(11) =140201013248
External references
- oeis: A264876