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A222398
Number of nX4 0..2 arrays with exactly floor(nX4/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order
1
3, 9, 35, 162, 717, 8803, 55761, 648643, 4706538, 56003424, 406023424, 4784210119, 35733523091, 409997141918, 3135766366849, 35275686696609, 275409726982013, 3040622473638517, 24210569242226366, 262678073944123860
OFFSET
1,1
COMMENTS
Column 4 of A222402
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..1....0..0..0..0....0..0..0..0....0..0..0..1....0..0..0..1
..0..1..1..1....0..0..0..0....0..0..0..1....0..0..0..2....0..0..0..1
..1..1..1..1....1..0..0..0....0..0..0..2....0..0..0..0....0..0..0..1
..2..1..1..1....0..2..0..0....0..0..0..2....0..0..0..2....0..0..0..0
CROSSREFS
Sequence in context: A338793 A370341 A101880 * A107894 A155858 A000834
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 18 2013
STATUS
approved