Number of (n+2)X(2+2) arrays of permutations of 0..n*4+7 filled by rows with each element moved 0 or 1 knight moves, and rows and columns in increasing lexicographic order.
A263953
Number of (n+2)X(2+2) arrays of permutations of 0..n*4+7 filled by rows with each element moved 0 or 1 knight moves, and rows and columns in increasing lexicographic order.
Terms
- a(0) =40a(1) =606a(2) =8783a(3) =135933a(4) =2222154a(5) =36482594a(6) =597854055a(7) =9871552803a(8) =163131172868
External references
- oeis: A263953