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A231743
Number of nX4 0..3 arrays with no element less than a strict majority of its horizontal and vertical neighbors.
1
50, 1328, 60806, 2154900, 71742015, 2426463539, 82701946547, 2814528154294, 95747933760688, 3259127333943936, 110951853201769471, 3776779941421524009, 128555070606110236059, 4375838168986252858545, 148948822494411349242405
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OFFSET
1,1
COMMENTS
Column 4 of
A231746
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..0..0..2....1..2..2..0....1..3..1..1....3..1..1..0....0..1..1..1
..1..0..0..1....1..0..0..0....1..2..1..3....2..1..0..0....0..1..2..2
..1..1..0..0....0..0..0..1....1..3..1..1....0..0..0..1....0..1..3..2
CROSSREFS
Sequence in context:
A017713
A283311
A031602
*
A140520
A114251
A004351
Adjacent sequences:
A231740
A231741
A231742
*
A231744
A231745
A231746
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Nov 13 2013
STATUS
approved
