How many graphs are unions of ::::k::::-cliques?

Béla Bollobás, Graham Brightwell. How many graphs are unions of ::::k::::-cliques?. Journal of Graph Theory, 52(2):87-107, 2006. [doi]

@article{BollobasB06,
  title = {How many graphs are unions of ::::k::::-cliques?},
  author = {Béla Bollobás and Graham Brightwell},
  year = {2006},
  doi = {10.1002/jgt.20138},
  url = {http://dx.doi.org/10.1002/jgt.20138},
  tags = {graph-rewriting, rewriting},
  researchr = {https://researchr.org/publication/BollobasB06},
  cites = {0},
  citedby = {0},
  journal = {Journal of Graph Theory},
  volume = {52},
  number = {2},
  pages = {87-107},
}