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A183498 Half the number of nX5 0..2 arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors 1
18, 540, 16512, 524288, 16796160, 536870912, 17180393472, 549761399856, 17592219598848, 562949953421312, 18014402847965184, 576460752303423488, 18446744211148505088, 590295811461438504960, 18889465940274673876992 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A183501

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..29

EXAMPLE

Some solutions for 3X5

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

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

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

CROSSREFS

Sequence in context: A035277 A011906 A255859 * A254381 A177098 A133401

Adjacent sequences:  A183495 A183496 A183497 * A183499 A183500 A183501

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 2011

STATUS

approved

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Last modified April 22 04:04 EDT 2019. Contains 322329 sequences. (Running on oeis4.)