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A184151
1/4 the number of (n+1)X8 0..3 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically
0
97806031, 783273204631, 6038729388705523, 46821946289531019895, 362749037617728870936121, 2810726734347901488302111479
OFFSET
1,1
COMMENTS
Column 7 of A184153
EXAMPLE
Some solutions for 3X8 with a(1,1)=0
..0..0..0..0..0..1..3..1....0..0..0..0..0..0..3..1....0..0..0..0..0..1..1..1
..0..0..0..0..0..1..3..3....0..0..0..0..0..0..2..1....0..0..0..0..0..0..1..1
..0..0..0..0..0..1..0..3....0..0..0..0..0..0..0..0....0..0..0..0..0..2..1..1
CROSSREFS
Sequence in context: A075010 A214559 A326183 * A096710 A322682 A322692
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 09 2011
STATUS
approved