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 A223124 Number of nX6 0..2 arrays with no more than floor(nX6/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order 1
 72, 27803, 11814919, 5237368607, 2373042420012, 1092037282618789, 508211382191466327, 238520879437894414568, 112687149312234784385106, 53520374688794036580881324, 25529695524353330225340120939 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A223126 LINKS R. H. Hardin, Table of n, a(n) for n = 1..63 EXAMPLE Some solutions for n=3 ..0..0..0..1..0..2....0..0..0..1..0..2....0..0..1..0..2..1....0..0..1..0..1..0 ..0..0..1..2..0..1....0..0..2..1..0..2....0..0..1..1..1..2....0..0..1..2..1..2 ..2..0..1..1..2..0....2..1..1..1..0..1....2..0..2..1..0..2....1..0..0..1..1..0 CROSSREFS Sequence in context: A157459 A159393 A151627 * A062076 A284866 A153473 Adjacent sequences: A223121 A223122 A223123 * A223125 A223126 A223127 KEYWORD nonn AUTHOR R. H. Hardin Mar 15 2013 STATUS approved

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Last modified February 5 03:48 EST 2023. Contains 360082 sequences. (Running on oeis4.)