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A207180 Number of nX6 0..1 arrays avoiding 0 0 0 horizontally and 0 1 0 vertically 1
44, 1936, 44065, 981850, 23471595, 567046841, 13575513917, 324280404464, 7753960008192, 185490886984435, 4436906789153102, 106121193817646599, 2538197480774276123, 60709250545517745427, 1452061508622073819918 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A207182

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A181222 A188564 A207086 * A188751 A188871 A009988

Adjacent sequences:  A207177 A207178 A207179 * A207181 A207182 A207183

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 15 2012

STATUS

approved

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Last modified August 11 15:10 EDT 2022. Contains 356066 sequences. (Running on oeis4.)