Number of (2+1)X(n+1) arrays of permutations of 0..n*3+2 filled by rows with each element moved a city block distance of 1 or 2, and rows and columns in increasing lexicographic order.
A263588
Number of (2+1)X(n+1) arrays of permutations of 0..n*3+2 filled by rows with each element moved a city block distance of 1 or 2, and rows and columns in increasing lexicographic order.
Terms
- a(0) =4a(1) =134a(2) =1992a(3) =27650a(4) =343431a(5) =3777963a(6) =38762619a(7) =377102980a(8) =3519017214a(9) =31782863567a(10) =279755669078
External references
- oeis: A263588