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A183370 Number of nX3 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors 1
1, 4, 6, 16, 30, 64, 165, 361, 875, 2116, 5460, 13924, 36720, 97344, 266895, 727609, 2029885, 5654884, 16014834, 45265984, 129279458, 368947264, 1060159545, 3044280625, 8779570735, 25310900836, 73171312896, 211476737956, 612259440564 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A183374

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 5X3

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

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

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

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

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

CROSSREFS

Sequence in context: A174804 A081487 A099430 * A113883 A036748 A162485

Adjacent sequences:  A183367 A183368 A183369 * A183371 A183372 A183373

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 04 2011

STATUS

approved

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Last modified July 4 04:39 EDT 2022. Contains 355063 sequences. (Running on oeis4.)