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A181033 Number of nX(n+2) binary matrices with no initial bit string in any row or column divisible by 4 1
1, 5, 41, 827, 36787, 3729091, 851302029, 439621976195, 512615852515459, 1350668111471923517, 8039144604242883698707, 108102244692016476122031505, 3283958267007000189206675439393, 225377046019121585326666765445484971 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Superdiagonal 2 of A181031

LINKS

R. H. Hardin, Table of n, a(n) for n=1..22

EXAMPLE

Some solutions for 4X6

..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..1..0..1..0....1..0..1..0..1..0....1..0..1..0..1..0....1..0..1..0..1..0

..1..1..0..1..0..1....1..1..0..1..0..1....1..1..0..1..0..1....1..1..0..1..0..1

..1..0..1..0..1..0....1..0..1..0..1..1....1..0..1..1..1..0....1..0..1..1..1..1

CROSSREFS

Sequence in context: A076094 A076131 A003719 * A189997 A197173 A052113

Adjacent sequences:  A181030 A181031 A181032 * A181034 A181035 A181036

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 30 2010

STATUS

approved

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Last modified August 6 12:33 EDT 2020. Contains 336246 sequences. (Running on oeis4.)