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A222674 Number of nX3 0..3 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order 1
1, 5, 11, 130, 670, 9587, 51055, 832433, 4403793, 76270010, 393405671, 7110030015, 35866532209, 668872050090, 3316350242047, 63280853470227, 309953030601699, 6011655335449938, 29208300615650596, 572992311551819596 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A222679

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..208

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A262309 A266421 A094108 * A197538 A083418 A266527

Adjacent sequences:  A222671 A222672 A222673 * A222675 A222676 A222677

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 28 2013

STATUS

approved

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Last modified October 14 23:32 EDT 2019. Contains 328025 sequences. (Running on oeis4.)