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A222274 Number of nX6 0..3 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order 0
8, 162, 5996, 259827, 12855928, 725139202, 46568936746, 3151092032773, 224016540173624, 16180093454621940 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A222275

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

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

..0..0..0..1..0..0....0..0..1..1..1..1....0..0..0..2..1..3....2..1..1..1..1..1

..0..0..2..0..3..0....0..0..2..2..1..1....0..0..0..0..3..3....3..1..2..1..1..1

CROSSREFS

Sequence in context: A240410 A061250 A183813 * A061711 A316998 A075387

Adjacent sequences:  A222271 A222272 A222273 * A222275 A222276 A222277

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 14 2013

STATUS

approved

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Last modified May 28 16:37 EDT 2022. Contains 354119 sequences. (Running on oeis4.)