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A234402 Number of (n+1)X(3+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 12 1
66806, 6467216, 496111352, 44527292660, 3864905915306, 344002554341346, 30458476676229578, 2710890310884645584, 241025027095725440920, 21457087950792179984966, 1909702561501441187042246 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A234405

LINKS

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

EXAMPLE

Some solutions for n=1

..2..5..6..0....0..6..5..3....2..6..0..2....0..2..6..4....0..5..0..6

..3..0..3..0....1..4..0..4....6..4..4..0....4..0..3..0....4..6..2..2

CROSSREFS

Sequence in context: A251057 A256002 A225560 * A235024 A235245 A252991

Adjacent sequences:  A234399 A234400 A234401 * A234403 A234404 A234405

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 25 2013

STATUS

approved

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Last modified October 15 17:23 EDT 2019. Contains 328037 sequences. (Running on oeis4.)