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A208168 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 0 1 0 vertically 1
31, 961, 6759, 46611, 258952, 1493661, 9072707, 53874293, 315713411, 1874906825, 11126711003, 65771372274, 389369462027, 2306918088206, 13657520785513, 80855461760683, 478802042582831, 2835088280044468, 16786245481948186 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A208164

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A207067 A207122 A207247 * A207441 A207431 A208373

Adjacent sequences:  A208165 A208166 A208167 * A208169 A208170 A208171

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 24 2012

STATUS

approved

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Last modified January 27 14:39 EST 2020. Contains 331295 sequences. (Running on oeis4.)