Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.
A264674
Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.
Terms
- a(0) =3a(1) =201a(2) =3698a(3) =88687a(4) =2025372a(5) =43095017a(6) =918298857a(7) =19297801298a(8) =404856272120
External references
- oeis: A264674