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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
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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 June 7 05:04 EDT 2024. Contains 373140 sequences. (Running on oeis4.)