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A280215 Number of nX5 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1
6, 307, 4382, 49328, 474433, 4245153, 36290440, 298709773, 2400798535, 18900933338, 146535311611, 1121019997031, 8483337931994, 63591088869355, 472819500109525, 3490412406841210, 25604337866580661, 186765973876472967 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A280217.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..250

EXAMPLE

Some solutions for n=4

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

..1..1..0..0..0. .1..1..1..0..0. .0..1..1..0..0. .0..0..0..1..2

..1..2..2..2..2. .1..1..0..2..1. .1..1..2..2..0. .2..0..0..2..2

..2..2..2..2..0. .1..0..0..1..1. .2..2..2..2..0. .0..0..0..2..2

CROSSREFS

Cf. A280217.

Sequence in context: A229148 A333482 A104003 * A015103 A282373 A123181

Adjacent sequences:  A280212 A280213 A280214 * A280216 A280217 A280218

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 29 2016

STATUS

approved

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Last modified September 25 18:27 EDT 2022. Contains 356986 sequences. (Running on oeis4.)