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A189279 Number of nX8 array permutations with each element not moved or moved diagonally or antidiagonally by one 1
1, 1156, 140625, 39100009, 8366395024, 1949419118656, 441979857682489, 101143260268999524, 23076937169939058561, 5270856026569766627569, 1203479485449751104976144, 274821392418575218931980321 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 8 of A189280

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..71

EXAMPLE

Some solutions for 3X8

..0..1..9.12..4..5.13..7....0..8..9..3..4.12.15..7....9..8..2..3.11..5..6..7

..8.18.19..2..3..6.23.15....1..2.19.18..5.22.23..6....1..0.17..4.19.20.21.22

.16.17.11.10.20.21.22.14...16.17.11.10.20.21.13.14...16.10.18.12.13.14.15.23

CROSSREFS

Sequence in context: A221813 A232004 A034979 * A264271 A264089 A264278

Adjacent sequences:  A189276 A189277 A189278 * A189280 A189281 A189282

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 19 2011

STATUS

approved

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Last modified June 13 00:57 EDT 2021. Contains 344980 sequences. (Running on oeis4.)