Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change -1,1 -1,2 1,0 or 0,-1.
A264549
Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change -1,1 -1,2 1,0 or 0,-1.
Terms
- a(0) =3a(1) =240a(2) =2728a(3) =66372a(4) =1573479a(5) =29691127a(6) =591482528a(7) =11959837149a(8) =234588752099
External references
- oeis: A264549