@article{10_37236_1792,
     author = {Peter Hegarty},
     title = {Permutations avoiding arithmetic patterns},
     journal = {The electronic journal of combinatorics},
     year = {2004},
     volume = {11},
     number = {1},
     doi = {10.37236/1792},
     zbl = {1128.11007},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1792/}
}