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A222764 Number of nX3 0..1 arrays with exactly floor(nX3/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order 1
0, 4, 13, 96, 301, 2242, 7575, 55958, 196442, 1448568, 5188656, 38338122, 138866688, 1029494580, 3754449699, 27929878716, 102325331440, 763577070328, 2806916894109, 21001612120424, 77405327921654, 580452846750048 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A222769

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A200850 A326565 A041433 * A058014 A290392 A261785

Adjacent sequences:  A222761 A222762 A222763 * A222765 A222766 A222767

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 05 2013

STATUS

approved

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Last modified July 6 02:23 EDT 2022. Contains 355108 sequences. (Running on oeis4.)