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A095131
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Numerators of average numbers of trees in a forest on n nodes.
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1
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1, 3, 2, 13, 12, 49, 93, 5, 127, 803, 1703, 3755, 271, 19338, 45275, 108229, 262604, 647083, 1613941, 2036099, 576341, 13331695, 264583, 90049334, 236302157, 38973748, 330784573, 8814122981, 7861906901, 63359160443, 42703885427
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listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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Eric Weisstein's World of Mathematics, Forest
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FORMULA
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EXAMPLE
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1, 3/2, 2, 13/6, 12/5, 49/20, 93/37, 5/2, 127/51, ...
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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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