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A207917 Number of nX7 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically 1
28, 784, 4344, 46800, 366330, 3327954, 28188778, 247024548, 2129817756, 18503218016, 160144863388, 1388528077986, 12029107363320, 104255340840714, 903395668109660, 7828846025215230, 67841580292509632, 587899815684673466 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A207918

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A208012 A207789 A207304 * A208163 A207959 A267785

Adjacent sequences:  A207914 A207915 A207916 * A207918 A207919 A207920

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 21 2012

STATUS

approved

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Last modified January 27 09:52 EST 2022. Contains 350607 sequences. (Running on oeis4.)