 | ECS #385 |
| Introduction | Examples | Search | Submit | Help | Links |
1. Description
No description available
2. Specification
This unlabelled structure is specified as S in
\displaystyle
\left\{ B={\rm Set} \left( C \right) ,C={\rm Prod} \left( Z,B \right)
,S={\rm Prod} \left( C,B \right) \right\}
other formats
3. Coefficients
3.1. First terms
4. Ordinary generating function
\displaystyle
[B \left( x \right) ={{\rm e}^{\sum _{j_{{1}}=1}^{\infty }{\frac {C
\left( {x}^{j_{{1}}} \right) }{j_{{1}}}}}},C \left( x \right) =xB
\left( x \right) ,S \left( x \right) =C \left( x \right) B \left( x
\right) ,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).