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A185776
Number of (n+1)X7 0..2 arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum
0
1296000, 190416934, 27239862108, 4212755548948, 641850855452998
OFFSET
1,1
COMMENTS
Column 6 of A185777
EXAMPLE
Some solutions for 3X7
..0..0..1..2..0..2..2....0..0..1..1..2..1..0....0..0..1..0..2..1..2
..0..1..0..0..0..2..2....0..2..0..2..2..0..0....0..0..0..2..1..2..0
..0..1..1..1..0..0..2....0..1..1..2..2..0..2....0..1..1..1..2..2..2
CROSSREFS
Sequence in context: A244563 A163681 A354560 * A345083 A345084 A262531
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 03 2011
STATUS
approved