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A202720 Number of (n+3)X5 binary arrays with no more than three of any consecutive four bits set in any row or column 1
556481, 14089479, 355151781, 8918220179, 223234807263, 5600930157675, 140489794603235, 3523493349159927, 88367125801501055, 2216306606578269761, 55585876235174035351, 1394112183646634702857, 34964807560646012250609 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A202726

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

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

CROSSREFS

Sequence in context: A196733 A178554 A272133 * A235969 A203659 A184475

Adjacent sequences:  A202717 A202718 A202719 * A202721 A202722 A202723

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 23 2011

STATUS

approved

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Last modified August 3 13:59 EDT 2021. Contains 346438 sequences. (Running on oeis4.)