{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,22]],"date-time":"2026-04-22T08:03:09Z","timestamp":1776844989964,"version":"3.51.2"},"reference-count":0,"publisher":"The Electronic Journal of Combinatorics","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Electron. J. Combin."],"abstract":"<jats:p>Let $g(n)$ be the length of a longest binary string containing at most $n$ distinct squares (two identical adjacent substrings). Then $g(0)=3$ (010 is such a string), $g(1)=7$ (0001000) and $g(2)=18$ (010011000111001101). How does the sequence $\\{g(n)\\}$ behave? We give a complete answer.<\/jats:p>","DOI":"10.37236\/1196","type":"journal-article","created":{"date-parts":[[2020,1,11]],"date-time":"2020-01-11T00:24:56Z","timestamp":1578702296000},"source":"Crossref","is-referenced-by-count":23,"title":["How Many Squares Must a Binary Sequence Contain?"],"prefix":"10.37236","volume":"2","author":[{"given":"Aviezri S.","family":"Fraenkel","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R. Jamie","family":"Simpson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"23455","published-online":{"date-parts":[[1994,12,11]]},"container-title":["The Electronic Journal of Combinatorics"],"original-title":[],"link":[{"URL":"https:\/\/www.combinatorics.org\/ojs\/index.php\/eljc\/article\/download\/v2i1r2\/pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.combinatorics.org\/ojs\/index.php\/eljc\/article\/download\/v2i1r2\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,1,18]],"date-time":"2020-01-18T04:32:51Z","timestamp":1579321971000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.combinatorics.org\/ojs\/index.php\/eljc\/article\/view\/v2i1r2"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1994,12,11]]},"references-count":0,"journal-issue":{"issue":"1","published-online":{"date-parts":[[1995,1,1]]}},"URL":"https:\/\/doi.org\/10.37236\/1196","relation":{},"ISSN":["1077-8926"],"issn-type":[{"value":"1077-8926","type":"electronic"}],"subject":[],"published":{"date-parts":[[1994,12,11]]},"article-number":"R2"}}