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Search: id:A141142
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| A141142 |
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Numerators of power series arising in random graphs. |
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+0
2
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OFFSET
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1,2
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COMMENT
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Denominators are A141143. Series given in Bouchard and Marino 2.31, p. 5, with citations to earlier literature.
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LINKS
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Vincent Bouchard and Marcos Marino, Hurwitz numbers, matrix models and enumerative geometry, (replaced) June 8, 2008.
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FORMULA
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Power series s(z) defined by (1+z)e^(-z) = (1 + s(z))e^(-s(z)).
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EXAMPLE
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s(z) = -z + (2/3)*z^2 - (4/9)*z^3 + (44/135)*z^4 - (104/405)*z^5 + (40/189)*z^6 - (7648/42525)*z^7 + O(z^8).
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CROSSREFS
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Cf. A141143.
Adjacent sequences: A141139 A141140 A141141 this_sequence A141143 A141144 A141145
Sequence in context: A009717 A018317 A059794 this_sequence A007596 A050588 A105282
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KEYWORD
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frac,more,sign
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AUTHOR
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Jonathan Vos Post (jvospost3(AT)gmail.com), Jun 10 2008
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