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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
OFFSET
1,1
COMMENTS
Column 6 of A222275
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 14 2013
STATUS
approved