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A222766 Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order 1
4, 18, 158, 2608, 19766, 333978, 2645385, 45830457, 370518626, 6504289924, 53224723750, 942396671062, 7774316625479, 138492173604656, 1149166452333809, 20564313304270211, 171388475477573948, 3077759439903425070 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A222769

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..205

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A218917 A054759 A286630 * A302827 A007153 A239839

Adjacent sequences:  A222763 A222764 A222765 * A222767 A222768 A222769

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 05 2013

STATUS

approved

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Last modified November 21 14:18 EST 2019. Contains 329371 sequences. (Running on oeis4.)