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A188307
Number of (n+1)X6 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums
1
380, 14832, 203584, 3415196, 53468700, 878907878, 14070003616, 228625683370, 3680915898074, 59626244517814, 962293522215168, 15566719628153548, 251445428797343950, 4065446796913711010, 65691624104999816724
OFFSET
1,1
COMMENTS
Column 5 of A188311
LINKS
EXAMPLE
Some solutions for 3X6
..0..1..0..1..1..1....0..0..0..1..1..0....0..1..0..0..1..1....1..0..1..0..1..0
..0..1..0..0..1..0....0..1..0..1..0..1....1..1..1..1..0..1....1..1..0..1..1..1
..1..0..1..0..1..0....0..0..0..1..1..0....0..1..0..0..1..1....0..1..0..1..1..1
CROSSREFS
Sequence in context: A250635 A233952 A259520 * A214145 A185493 A023910
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 27 2011
STATUS
approved