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A295649 Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 3 or 4 1s. 1
24, 327, 4993, 74335, 1117226, 16755140, 251412699, 3772052117, 56595784982, 849153242275, 12740583576940, 191157920536447, 2868107080049542, 43032680678386242, 645656382310176617, 9687338917285759511 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A295652.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A295652.

Sequence in context: A138453 A004317 A295250 * A188779 A262291 A267838

Adjacent sequences:  A295646 A295647 A295648 * A295650 A295651 A295652

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 25 2017

STATUS

approved

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Last modified January 18 02:41 EST 2022. Contains 350410 sequences. (Running on oeis4.)