A263508 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 0 1 or 2, and rows and columns in increasing lexicographic order.

59, 2282, 54924, 1111442, 20380008, 337841109, 5207863310, 75977562458, 1061547321219, 14333939101168, 188384704889515, 2422837596982624, 30621846746565687, 381598737516945031, 4701011865361444793

Offset

1,1

Comments

Row 2 of A263506.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=3
..0..4..7.11....1..2.10.11....0..1..3..6....0..1..6..7....0..2..3..7
..1..5..3..2....5..0..4..3....4.10..7.11....4.10.11..5....4..5.11..6
..9..8..6.10....9..8..7..6....5..8..2..9....8..9..2..3...10..1..8..9

Crossrefs

Cf. A263506.

Sequence in context: A134652 A017775 A017722 * A119886 A135649 A278367

Adjacent sequences: A263505 A263506 A263507 * A263509 A263510 A263511

Keyword

nonn

Author

R. H. Hardin, Oct 19 2015

Status

approved