A263590 Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 filled by rows with each element moved a city block distance of 1 or 2, and rows and columns in increasing lexicographic order.

70, 69084, 14088801, 3822509358, 1035523589834, 244734723702847, 54806224439043377

Offset

1,1

Comments

Row 4 of A263586.

Links

Table of n, a(n) for n=1..7.

Example

Some solutions for n=2
..1..2..4....2..3..4....2..3..4....1..3..4....1..2..5....1..3..8....1..4..8
..9..0..8....6..0..1....6..0..7....7..0..2....6..0..4....4..0..2....5..0..2
.10..3..7....9..5.11....8..1..5....9..5..6....8..3.10....9..5..7....9..3.10
.13..6..5...13.12..8...11.12.14...12.13..8...12.13..9...10..6.14...12..6.13
.14.12.11...14..7.10...13..9.10...14.11.10...14..7.11...13.12.11...14..7.11

Crossrefs

Cf. A263586.

Sequence in context: A185401 A172555 A367532 * A371951 A172659 A172759

Adjacent sequences: A263587 A263588 A263589 * A263591 A263592 A263593

Keyword

nonn

Author

R. H. Hardin, Oct 22 2015

Status

approved