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A163738 Number of nX7 binary arrays with all 1s connected, all corners 1, and no 1 having more than two 1s adjacent 0
1, 10, 95, 299, 1200, 5766, 39682 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

All solutions for n=2

...1.0.0.0.0.0.1...1.1.1.0.0.0.1...1.1.1.1.0.0.1...1.1.1.1.1.0.1

...1.1.1.1.1.1.1...1.0.1.1.1.1.1...1.0.0.1.1.1.1...1.0.0.0.1.1.1

------

...1.1.1.1.1.1.1...1.0.1.1.1.0.1...1.0.0.0.1.1.1...1.0.0.1.1.1.1

...1.0.0.0.0.0.1...1.1.1.0.1.1.1...1.1.1.1.1.0.1...1.1.1.1.0.0.1

------

...1.0.1.1.1.1.1...1.1.1.0.1.1.1

...1.1.1.0.0.0.1...1.0.1.1.1.0.1

CROSSREFS

Sequence in context: A190988 A287830 A259289 * A190987 A233738 A277441

Adjacent sequences:  A163735 A163736 A163737 * A163739 A163740 A163741

KEYWORD

nonn

AUTHOR

R. H. Hardin Aug 03 2009

STATUS

approved

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Last modified July 6 11:37 EDT 2022. Contains 355110 sequences. (Running on oeis4.)