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A234980 Number of (n+1)X(6+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 8 1
9962574, 5681668040, 2917193420904, 1752801119273172, 1047618966093964184, 640221005793748734732, 392106856447778173931430, 241255735354103379348718614, 148645515226386040165683644524 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A234982

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..166

EXAMPLE

Some solutions for n=1

..0..0..0..0..0..3..0....1..0..1..4..3..3..0....1..0..0..2..0..2..1

..0..4..0..4..0..4..2....0..3..0..2..0..4..2....0..3..4..3..4..4..0

CROSSREFS

Sequence in context: A059044 A303447 A107617 * A179737 A234376 A003809

Adjacent sequences:  A234977 A234978 A234979 * A234981 A234982 A234983

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 02 2014

STATUS

approved

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Last modified July 30 23:12 EDT 2021. Contains 346365 sequences. (Running on oeis4.)