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A222905
Number of nX7 0..3 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order
1
17, 1710, 82020, 21064292, 1616042692, 577820456398, 51666240687220, 19807159813457951, 1817220105168370585, 706854001296049850823, 65258971099531300247508, 25532711765112846282295184
OFFSET
1,1
COMMENTS
Column 7 of A222906
LINKS
EXAMPLE
Some solutions for n=3
..0..1..1..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..2..0..0..0..0..0..1....0..1..2..0..0..0..0....1..2..0..0..0..0..0
..0..0..0..0..0..0..3....0..1..1..0..0..0..0....3..1..2..0..0..0..0
CROSSREFS
Sequence in context: A144571 A242228 A373856 * A071826 A055414 A156675
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 09 2013
STATUS
approved