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Search: id:A160050
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| A160050 |
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Numerator of the Harary number for the star graph s_n. |
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+0
1
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| 0, 1, 5, 9, 7, 10, 27, 35, 22, 27, 65, 77, 45, 52, 119, 135, 76, 85, 189, 209, 115, 126, 275, 299, 162, 175, 377, 405, 217, 232, 495, 527, 280, 297, 629, 665, 351, 370, 779, 819, 430, 451, 945, 989, 517, 540, 1127, 1175, 612, 637, 1325, 1377, 715, 742, 1539
(list; graph; listen)
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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, Harary Index
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EXAMPLE
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0, 1, 5/2, 9/2, 7, 10, 27/2, 35/2, 22, 27, ...
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CROSSREFS
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Cf. A130658.
Sequence in context: A140724 A086055 A077125 this_sequence A055566 A153610 A091812
Adjacent sequences: A160047 A160048 A160049 this_sequence A160051 A160052 A160053
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KEYWORD
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nonn
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AUTHOR
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E. W. Weisstein (eric(AT)weisstein.com), Apr 30, 2009
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