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A234977 Number of (n+1)X(3+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 8 1
14420, 684282, 29606864, 1373159910, 62993589692, 2917193420904, 134849510289180, 6244676072091248, 289057714655429616, 13385783904946756226, 619797903129424615438, 28701526499023348815636 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A234982

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A144649 A166371 A234487 * A250960 A238060 A210050

Adjacent sequences:  A234974 A234975 A234976 * A234978 A234979 A234980

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 02 2014

STATUS

approved

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Last modified July 26 16:44 EDT 2021. Contains 346294 sequences. (Running on oeis4.)