Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change -2,-2 -1,0 0,1 or 1,0.
A264540
Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change -2,-2 -1,0 0,1 or 1,0.
Terms
- a(0) =1a(1) =316a(2) =3273a(3) =59259a(4) =1270837a(5) =22000750a(6) =434877820a(7) =7956766442a(8) =145179765157
External references
- oeis: A264540