EntityQ724511· pop 7· linked from 14 articlesmeanderSign in to saveself-avoiding closed curve which intersects a line a number of timesConnectionspermutationEntitymathematicsEntitylineEntitydigital object identifierEntityplaneEntitycurveEntityparityEntitycontinuous functionEntityQ118398EntityinjectionEntityOn-Line Encyclopedia of Integer SequencesEntityupper and lower boundsEntitycyclic permutationEntityintersectionEntityCategoriesCombinatoricsInteger sequences