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A207889 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 1 0 vertically 1
35, 1225, 2233, 14825, 49586, 119278, 618202, 2332602, 6535778, 28238814, 110355600, 342679500, 1341016198, 5237625812, 17405443410, 64898151922, 250040973048, 867290958802, 3166736891794, 12011520072686, 42745544469774 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A207885

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A126158 A200724 A207492 * A208112 A208844 A207665

Adjacent sequences:  A207886 A207887 A207888 * A207890 A207891 A207892

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 21 2012

STATUS

approved

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Last modified November 28 10:05 EST 2021. Contains 349401 sequences. (Running on oeis4.)