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A223123 Number of nX5 0..2 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..2 order 1
24, 3599, 444555, 95995609, 12483535858, 2785187722316, 372676751243307, 84505903344149667, 11496113424023100640, 2631023871587019381420, 361824554514147138010542, 83303795010271219904813736 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A223126

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..120

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A071639 A061530 A275637 * A278651 A357266 A166768

Adjacent sequences: A223120 A223121 A223122 * A223124 A223125 A223126

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 15 2013

STATUS

approved

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Last modified January 28 23:36 EST 2023. Contains 359905 sequences. (Running on oeis4.)