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A185748
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Number of (n+1) X 8 binary arrays with every 2 X 2 subblock trace equal to some horizontal or vertical neighbor 2 X 2 subblock trace.
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1
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2688, 304584, 18242392, 1188841336, 77691779712, 5075186680192, 331658427568088, 21671299631697840, 1416043303932297408, 92529833667730376464, 6046241027601786546504, 395082861406622455945776
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for 3 X 8
..0..1..1..1..0..0..1..1....0..0..1..1..0..0..1..1....0..1..0..1..1..1..1..1
..0..0..1..1..1..1..1..1....0..1..1..1..0..1..1..1....0..1..0..1..1..1..1..1
..0..0..1..0..1..0..0..1....1..1..0..1..1..1..1..1....0..1..0..1..1..0..0..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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