Counting s(3+1)-avoiding permutations

M. D. Atkinson, Bruce E. Sagan, Vincent R. Vatter. Counting s(3+1)-avoiding permutations. Eur. J. Comb., 33(1):49-61, 2012. [doi]

@article{AtkinsonSV12,
  title = {Counting s(3+1)-avoiding permutations},
  author = {M. D. Atkinson and Bruce E. Sagan and Vincent R. Vatter},
  year = {2012},
  doi = {10.1016/j.ejc.2011.06.006},
  url = {http://dx.doi.org/10.1016/j.ejc.2011.06.006},
  researchr = {https://researchr.org/publication/AtkinsonSV12},
  cites = {0},
  citedby = {0},
  journal = {Eur. J. Comb.},
  volume = {33},
  number = {1},
  pages = {49-61},
}