TY - JOUR AU - Peter Hegarty TI - Permutations avoiding arithmetic patterns JO - The electronic journal of combinatorics PY - 2004 VL - 11 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/1792/ DO - 10.37236/1792 ID - 10_37236_1792 ER -