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A183499
Half the number of nX7 0..2 arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors
0
64, 8256, 1048576, 134226432, 17180393472, 2199023255552
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A183501
LINKS
Table of n, a(n) for n=1..6.
EXAMPLE
Some solutions for 3X7
..0..0..0..2..1..0..0....0..0..0..1..0..2..0....0..0..0..0..0..1..2
..1..2..2..0..1..1..1....2..2..1..2..2..1..0....1..2..2..2..1..0..2
..0..0..2..2..1..0..2....2..1..1..0..1..1..0....1..1..2..0..0..0..1
CROSSREFS
Sequence in context: A303426 A317516 A300181 * A187702 A184764 A239647
Adjacent sequences: A183496 A183497 A183498 * A183500 A183501 A183502
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved

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Last modified November 8 09:51 EST 2024. Contains 377540 sequences.
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