Number of (2+2)X(n+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.
A263957
Number of (2+2)X(n+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) =36a(1) =606a(2) =5900a(3) =63788a(4) =832934a(5) =9289071a(6) =99951445a(7) =1070561979a(8) =11300737242a(9) =115663751102
External references
- oeis: A263957