 | ECS #149 |
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1. Description
No description available
2. Specification
This labelled structure is specified as S in
\displaystyle
\left\{ B={\rm Set} \left( Z,1\leq {\rm card} \right) ,C={\rm Set}
\left( Z \right) ,E={\rm Sequence} \left( B,1\leq {\rm card} \right) ,
S={\rm Prod} \left( C,E \right) \right\}
other formats
3. Coefficients
3.1. First terms
3.2. Asymptotics
4. Exponential generating function
\displaystyle
-{\frac {{{\rm e}^{x}} \left( {{\rm e}^{x}}-1 \right) }{-2+{{\rm e}^{x}
}}}
other formats
5. References
6. Random structure
Search a combinatorial structure by: (firstTerms should be a sequence of integers, separated by commas).