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A231028 Number of nX5 0..2 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 3 and at least one element with value (x(i,j)-1) mod 3, and upper left element zero 1
0, 344, 12400, 1444702, 124446770, 11542542126, 1050541512334, 96084401660280, 8776913226846168, 801999453871350642, 73277218848409360596, 6695355497136560389160, 611752553994156925696252 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A231031

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A115221 A065499 A183673 * A185746 A202904 A086028

Adjacent sequences:  A231025 A231026 A231027 * A231029 A231030 A231031

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 03 2013

STATUS

approved

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Last modified June 20 00:47 EDT 2019. Contains 324223 sequences. (Running on oeis4.)