 | ECS #799: A simple grammar |
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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 Cycle}
\left( B \right) ,S={\rm Prod} \left( C,C \right) \right\}
other formats
3. Coefficients
3.1. First terms
3.2. Asymptotics
4. Exponential generating function
\displaystyle
\left( \ln \left( - \left( -2+{{\rm e}^{x}} \right) ^{-1} \right)
\right) ^{2}
other formats
5. References
6. Random structure
Search a combinatorial structure by: (firstTerms should be a sequence of integers, separated by commas).