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A222789 Number of nX3 0..3 arrays with exactly floor(nX3/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order 1
0, 4, 34, 582, 3800, 92642, 589134, 15697114, 101205850, 2768968458, 17982090240, 499074464184, 3254525287074, 91174422158328, 596469391588434, 16817976440314170, 110319637897696154, 3125091350637342914 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A222794

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A134354 A333981 A030243 * A326206 A088077 A162079

Adjacent sequences:  A222786 A222787 A222788 * A222790 A222791 A222792

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 05 2013

STATUS

approved

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Last modified May 22 11:02 EDT 2022. Contains 353949 sequences. (Running on oeis4.)