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A300424 Number of nX5 0..1 arrays with every element equal to 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
3, 96, 1390, 18205, 240196, 3175101, 41940055, 553858752, 7314644478, 96601163193, 1275761565009, 16848387433285, 222508616223701, 2938565229183137, 38808230767812986, 512521810773712332 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A300427.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300427.

Sequence in context: A249787 A264548 A094085 * A300686 A300609 A301351

Adjacent sequences:  A300421 A300422 A300423 * A300425 A300426 A300427

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 05 2018

STATUS

approved

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Last modified September 25 12:47 EDT 2020. Contains 337344 sequences. (Running on oeis4.)