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A189655 Number of 7Xn array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally 1
1, 6272, 1180167, 1598901325, 1113666564608, 1104421532180261, 958681588788944613, 890636373071604964608, 805563236027350658919747, 738517619493670317553084705, 673437704833463142294374124032 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 7 of A189650

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..65

EXAMPLE

Some solutions for 7X3

..0..1..2....0..1..2....0..1..2....0..1..2....0..1..2....0..1..2....0..1..2

..3..6..5....4..6..5....3..5..4....3..6..5....3..4..5....3..6..5....4..3..5

..4..8.10...10..3..7....6..9..8....7..8..4....7..6..8....4.11..8....6..8..7

..9.11..7....9..8.11....7.11.10...10.11.13...10..9.11...13.12..7...10.12.11

.12.14.13...16.17.14...12.13.14...12..9.16...12.14.13...10..9.14...13..9.14

.16.15.17...13.12.19...16.17.19...15.14.19...19.15.17...15.17.16...16.20.17

.19.18.20...18.15.20...18.15.20...18.17.20...18.20.16...19.18.20...18.15.19

CROSSREFS

Sequence in context: A223465 A234440 A254635 * A035904 A071091 A209826

Adjacent sequences:  A189652 A189653 A189654 * A189656 A189657 A189658

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 24 2011

STATUS

approved

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Last modified April 6 08:44 EDT 2020. Contains 333268 sequences. (Running on oeis4.)