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A260764
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Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011
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1
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622, 798, 1740, 3328, 5256, 11107, 21594, 38145, 75910, 151311, 277024, 537113, 1075738, 2023097, 3857052, 7670235, 14713782, 27930232, 54856034, 106455351, 202705858, 393933976, 767509612, 1470108705, 2838509248, 5526521856
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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 n=4
..0..1..0..0..0..0..0....0..1..0..0..0..0..0....1..1..0..0..0..0..0
..0..1..0..0..1..0..0....0..1..0..0..0..0..0....0..1..0..0..1..1..0
..0..0..0..0..1..0..0....0..0..0..0..1..1..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..1..0..0..0..0..0....1..1..0..0..0..0..0....1..1..0..0..1..0..0
..1..1..0..0..1..1..0....0..0..0..0..1..1..0....0..0..0..0..1..0..0
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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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