 | ECS #89: Labelled mobile |
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1. Description
Labelled mobile with cycles of length at least 2
2. Specification
This labelled structure is specified as S in
\displaystyle
\left\{ B={\rm Cycle} \left( S,2\leq {\rm card} \right) ,S={\rm Union}
\left( B,Z \right) \right\}
other formats
3. Coefficients
3.1. First terms
4. Exponential generating function
\displaystyle
[B \left( x \right) =\ln \left( \left( 1-S \left( x \right) \right)
^{-1} \right) -S \left( x \right) ,S \left( x \right) =B \left( x
\right) +x,Z \left( x \right) =x]
other formats
5. References
6. Random structure
Search a combinatorial structure by: (firstTerms should be a sequence of integers, separated by commas).