EntityQ4373890· pop 5· linked from 7 articlesjuggler sequenceSign in to savesequence hypothesized to always terminate at 1ConnectionsInternational Standard Book NumberEntitynatural numberEntitynumber theoryEntityPaul ErdősEntityjugglingEntityCollatz conjectureEntityOn-Line Encyclopedia of Integer SequencesEntityMathWorldEntityrecurrence relationEntityEric W. WeissteinEntityinteger sequenceEntityClifford A. PickoverEntityCategoriesArithmetic dynamicsInteger sequencesRecurrence relationsUnsolved problems in number theory