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A163707 Number of nX5 binary arrays with all 1s connected, a path of 1s from left column to lower right corner, and no 1 having more than two 1s adjacent 0
1, 18, 138, 775, 3643, 15350, 62079, 245117, 941073, 3502398, 12690043, 45061490, 157594709, 544310928 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

All solutions for n=2

...0.0.0.0.0...0.0.0.0.1...1.0.0.0.0...1.0.0.0.1...1.1.0.0.0...1.1.0.0.1

...1.1.1.1.1...1.1.1.1.1...1.1.1.1.1...1.1.1.1.1...0.1.1.1.1...0.1.1.1.1

------

...1.1.1.0.0...1.1.1.0.1...1.1.1.0.0...1.1.1.0.1...1.1.1.1.0...1.1.1.1.0

...0.0.1.1.1...0.0.1.1.1...1.0.1.1.1...1.0.1.1.1...0.0.0.1.1...1.0.0.1.1

------

...1.1.1.1.1...1.1.1.1.1...0.0.1.1.1...1.0.1.1.1...0.1.1.1.0...0.1.1.1.1

...0.0.0.0.1...1.0.0.0.1...1.1.1.0.1...1.1.1.0.1...1.1.0.1.1...1.1.0.0.1

CROSSREFS

Sequence in context: A239208 A114239 A087115 * A212154 A108680 A204273

Adjacent sequences:  A163704 A163705 A163706 * A163708 A163709 A163710

KEYWORD

nonn

AUTHOR

R. H. Hardin Aug 03 2009

STATUS

approved

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Last modified January 19 15:37 EST 2020. Contains 331049 sequences. (Running on oeis4.)