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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
OFFSET
1,2
COMMENTS
Column 3 of A222794
LINKS
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 A358326
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 05 2013
STATUS
approved