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A289471
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Number of planar strictly 2-connected graphs on n edges.
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2
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1, 0, 1, 1, 2, 3, 7, 15, 39, 106, 316, 1030, 3553, 13006, 49780, 197281, 804649, 3358885, 14289507, 61769577
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OFFSET
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1,5
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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a(12)-a(13) corrected and a(14)-a(20) from Andrew Howroyd, May 04 2021
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STATUS
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approved
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