A263605 Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 filled by rows with each element moved a city block distance of 0 or 2, and rows and columns in increasing lexicographic order.

24, 1962, 69792, 1880912, 51961032, 1372902790, 33884598625, 807142134398, 18779339172610, 428729281937316, 9643905774436924, 214695476497108228, 4743560856622740097, 104225642166723506952, 2280739348249274754822

Offset

1,1

Comments

Row 3 of A263602.

Links

R. H. Hardin, Table of n, a(n) for n = 1..113

Example

Some solutions for n=3
..0..1..7.11....0..1..2..3....0..6..7.11....0..4..7.11....0..1..2..3
..4..5..6..2....4..5.11..7....1.10..9..2....9..8..1.15....4.10..9.15
..8..9.15..3....8..6.15.14....5..4..8..3...10..6..2..3....8.11..5..6
.14.10.12.13...12.10..9.13...12.13.14.15...12..5.14.13...12.13.14..7

Crossrefs

Cf. A263602.

Sequence in context: A225220 A262010 A267075 * A327197 A194472 A246602

Adjacent sequences: A263602 A263603 A263604 * A263606 A263607 A263608

Keyword

nonn

Author

R. H. Hardin, Oct 22 2015

Status

approved