This is an old revision of this page, as edited by Phlops(talk | contribs) at 20:11, 15 October 2012(Undid revision 515106696 by 121.45.223.144 (talk) -- Recursion is an important mathematical concept and this page is a list of lists so it must be listed on this page.). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 20:11, 15 October 2012 by Phlops(talk | contribs)(Undid revision 515106696 by 121.45.223.144 (talk) -- Recursion is an important mathematical concept and this page is a list of lists so it must be listed on this page.)