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A222397 Number of nX3 0..2 arrays with exactly floor(nX3/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order 1
0, 0, 4, 35, 0, 624, 900, 21634, 21224, 609872, 756664, 18326048, 23970800, 543783008, 781519168, 16285754632, 25251222240, 489217824832, 816430181216, 14763821943024, 26347993000448, 447331602311680, 849299259827904 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 3 of A222402

LINKS

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

EXAMPLE

Some solutions for n=4

..0..0..0....0..0..0....0..0..0....0..1..2....0..0..0....0..0..0....0..0..0

..0..0..0....0..0..0....0..0..0....2..2..2....0..0..0....0..0..0....0..0..0

..0..0..0....0..0..0....0..0..0....2..2..2....1..0..0....0..0..0....0..0..0

..1..2..1....1..1..1....1..0..1....2..2..2....0..0..0....1..1..2....1..0..2

CROSSREFS

Sequence in context: A113231 A055621 A000860 * A334257 A193994 A097382

Adjacent sequences:  A222394 A222395 A222396 * A222398 A222399 A222400

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 18 2013

STATUS

approved

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Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)