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A222988
Number of 3Xn 0..2 arrays with no more than floor(3Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order
1
5, 14, 43, 314, 946, 10417, 36987, 431995, 1588033, 18801286, 69943017, 834028084, 3124625123, 37457769214, 141096804709, 1698224538010, 6424372900737, 77564926861208, 294441267192765, 3563869328626666, 13566837259043749
OFFSET
1,1
COMMENTS
Row 3 of A222986
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0....0..0..0....0..0..0....0..0..1....0..0..0....0..1..0....0..0..0
..0..0..0....0..0..1....0..0..1....0..0..0....0..0..1....0..0..0....0..0..0
..1..0..1....1..0..0....0..1..1....0..0..0....0..2..2....0..0..0....0..0..1
CROSSREFS
Sequence in context: A102434 A186649 A120901 * A349222 A327594 A034530
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 11 2013
STATUS
approved