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Search: id:A076322
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| A076322 |
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Number of connected 3-colorable (i.e. chromatic number <= 3) simple graphs on n nodes. |
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+0
7
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OFFSET
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1,3
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LINKS
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Eric Weisstein's World of Mathematics, n-Colorable Graph
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CROSSREFS
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Cf. A005142, A076323, A076324, A076325, A076326, A076327, A076328.
Sequence in context: A001186 A125282 A020125 this_sequence A098540 A079574 A032262
Adjacent sequences: A076319 A076320 A076321 this_sequence A076323 A076324 A076325
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KEYWORD
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nonn,more
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Oct 06, 2002
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