@article{JIS_2006__9_3_a3,
     author = {Parviainen,  Robert},
     title = {Lattice path enumeration of permutations with \(k\) occurrences of the pattern 2--13},
     journal = {Journal of integer sequences},
     year = {2006},
     volume = {9},
     number = {3},
     zbl = {1101.05007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2006__9_3_a3/}
}