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 A223469 Number of nX3 0..2 arrays with no more than floor(nX3/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..2 order 1
 2, 18, 49, 522, 883, 12859, 20377, 327082, 517062, 8613707, 13654412, 232128995, 368736563, 6353014689, 10105994483, 175801614242, 279936196941, 4905331076864, 7816872356924, 137760977522959, 219658300762477 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A223473 LINKS R. H. Hardin, Table of n, a(n) for n = 1..189 EXAMPLE Some solutions for n=4 ..0..1..1....0..1..2....0..0..1....0..0..1....0..1..0....0..1..0....0..1..2 ..2..1..2....2..1..0....1..2..0....1..2..0....2..1..2....2..0..2....2..1..0 ..1..1..0....0..1..2....0..0..1....0..0..1....0..0..1....1..1..1....1..1..2 ..0..2..1....2..1..0....1..0..2....2..0..2....2..1..2....0..2..0....2..0..2 CROSSREFS Sequence in context: A139268 A052681 A208652 * A048910 A077591 A050808 Adjacent sequences:  A223466 A223467 A223468 * A223470 A223471 A223472 KEYWORD nonn AUTHOR R. H. Hardin Mar 20 2013 STATUS approved

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Last modified April 18 22:08 EDT 2019. Contains 322237 sequences. (Running on oeis4.)