|
Search: id:A141143
|
|
|
| A141143 |
|
Denominators of power series arising in random graphs. |
|
+0
2
|
| |
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
Numerators are A141142. Series given in Bouchard and Marino 2.31, p. 5, with citations to earlier literature.
|
|
LINKS
|
Vincent Bouchard and Marcos Marino, Hurwitz numbers, matrix models and enumerative geometry, (replaced) June 8, 2008.
|
|
FORMULA
|
Power series s(z) defined by (1+z)e^(-z) = (1 + s(z))e^(-s(z)).
|
|
EXAMPLE
|
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).
|
|
CROSSREFS
|
Cf. A141142.
Sequence in context: A018778 A082606 A062702 this_sequence A163402 A082707 A087193
Adjacent sequences: A141140 A141141 A141142 this_sequence A141144 A141145 A141146
|
|
KEYWORD
|
frac,more,nonn
|
|
AUTHOR
|
Jonathan Vos Post (jvospost3(AT)gmail.com), Jun 10 2008
|
|
|
Search completed in 0.002 seconds
|
