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}, }