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 A222765 Number of nX4 0..1 arrays with exactly floor(nX4/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order 1
 3, 11, 66, 465, 3431, 25772, 196185, 1508369, 11685222, 91068653, 713197411, 5607868082, 44244333098, 350085423285, 2776997948510, 22076166728109, 175834747565068, 1402892278684566, 11209941707509701, 89696333927946099 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A222769 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=3 ..0..0..0..1....0..0..0..0....0..0..0..1....0..1..0..1....0..0..0..0 ..0..0..0..0....0..0..0..1....0..0..0..0....0..0..0..0....0..0..0..1 ..0..0..1..1....1..0..1..1....0..1..0..0....0..0..0..0....0..1..0..1 CROSSREFS Sequence in context: A280775 A303341 A077428 * A173235 A201259 A177008 Adjacent sequences:  A222762 A222763 A222764 * A222766 A222767 A222768 KEYWORD nonn AUTHOR R. H. Hardin Mar 05 2013 STATUS approved

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Last modified December 18 16:22 EST 2018. Contains 318229 sequences. (Running on oeis4.)