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A181040
Number of nX(n+1) binary matrices with no initial bit string in any row or column divisible by 6
0
1, 3, 18, 410, 18708, 2894405, 990192011, 1043072889128, 2618513670862020, 19025225311119314543, 345763553584576198026139
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Superdiagonal 1 of A181039
LINKS
Table of n, a(n) for n=1..11.
EXAMPLE
Some solutions for 5X6
..1..1..1..1..1..1....1..1..1..1..1..1....1..1..1..1..1..1....1..1..1..1..1..1
..1..0..0..0..0..0....1..0..1..1..0..0....1..0..0..0..0..0....1..0..0..0..0..0
..1..1..1..0..1..0....1..1..1..1..1..1....1..0..1..1..1..1....1..1..1..0..1..1
..1..0..0..0..0..0....1..0..0..0..0..0....1..0..0..1..1..0....1..1..1..0..1..0
..1..0..0..1..1..0....1..0..1..1..1..0....1..0..0..0..1..1....1..0..1..0..0..0
CROSSREFS
Sequence in context: A083000 A370368 A303074 * A118704 A132514 A188801
Adjacent sequences: A181037 A181038 A181039 * A181041 A181042 A181043
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 30 2010
STATUS
approved

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Last modified November 8 09:02 EST 2024. Contains 377540 sequences.
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