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A222875 Number of nX5 0..3 arrays with no more than floor(nX5/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order 1
34, 26311, 19707855, 20978414941, 16473931317022, 17791003053622809, 14337592109053271558, 15577784123509878927189, 12749920491741166976464865, 13889030706696776488786035425, 11487953403507942395037197786965 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A222878

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..51

EXAMPLE

Some solutions for n=3

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

..0..2..0..2..1....0..3..0..3..0....0..3..0..1..2....0..0..2..0..1

..0..3..0..1..0....2..1..2..2..0....2..2..0..3..0....3..1..1..0..3

CROSSREFS

Sequence in context: A287052 A177324 A270874 * A180770 A335096 A243314

Adjacent sequences:  A222872 A222873 A222874 * A222876 A222877 A222878

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 08 2013

STATUS

approved

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Last modified November 30 15:52 EST 2021. Contains 349420 sequences. (Running on oeis4.)