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A234864 Number of (n+2)X(3+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal 1
61954, 272878, 1241772, 6113796, 33431812, 192846644, 1129155378, 6882784048, 43546591390, 271469433824, 1733428722048, 11349225086910, 72370907554790, 470247936237146, 3116595409983744, 20033051082617520, 130971235426879114 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A234867

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..104

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A257749 A340126 A112015 * A128879 A234149 A214147

Adjacent sequences:  A234861 A234862 A234863 * A234865 A234866 A234867

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 01 2014

STATUS

approved

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Last modified January 19 06:18 EST 2022. Contains 350464 sequences. (Running on oeis4.)