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A163009
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Number of n X 9 binary arrays with all 1s connected and a path of 1s from upper left corner to lower right corner.
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2
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1, 1681, 783150, 250043151, 71703384184, 19934900617863, 5483824484276487, 1502037917021311844, 410628432970492896401, 112160245091369049581311, 30623519350300448308681813, 8359714215859160247276696744, 2281871672070839340863159155338, 622836891043514813722341456961744
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OFFSET
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1,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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