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A202722 Number of (n+3)X7 binary arrays with no more than three of any consecutive four bits set in any row or column 1
99003393, 8918220179, 798649122250, 71167367871410, 6316493287643944, 562277092226375915, 50035880671367204219, 4451869056496085206106, 396085241270480336084770, 35242151010434808732906386 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A202726

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

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

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

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

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

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

CROSSREFS

Sequence in context: A322693 A251357 A168640 * A182750 A033424 A017180

Adjacent sequences:  A202719 A202720 A202721 * A202723 A202724 A202725

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 23 2011

STATUS

approved

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Last modified January 18 01:36 EST 2019. Contains 319260 sequences. (Running on oeis4.)