{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T16:20:52Z","timestamp":1759335652355,"version":"3.41.2"},"reference-count":0,"publisher":"The Electronic Journal of Combinatorics","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Electron. J. Combin."],"abstract":"<jats:p>We find generating functions for the number of words avoiding certain patterns or sets of patterns with at most 2 distinct letters and determine which of them are equally avoided. We also find exact numbers of words avoiding certain patterns and provide bijective proofs for the resulting formulae.<\/jats:p>","DOI":"10.37236\/1675","type":"journal-article","created":{"date-parts":[[2020,1,11]],"date-time":"2020-01-11T02:23:44Z","timestamp":1578709424000},"source":"Crossref","is-referenced-by-count":16,"title":["Words Restricted by Patterns with at Most 2 Distinct Letters"],"prefix":"10.37236","volume":"9","author":[{"given":"Alexander","family":"Burstein","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toufik","family":"Mansour","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"23455","published-online":{"date-parts":[[2002,10,31]]},"container-title":["The Electronic Journal of Combinatorics"],"original-title":[],"link":[{"URL":"https:\/\/www.combinatorics.org\/ojs\/index.php\/eljc\/article\/download\/v9i2r3\/pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.combinatorics.org\/ojs\/index.php\/eljc\/article\/download\/v9i2r3\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,1,18]],"date-time":"2020-01-18T05:13:05Z","timestamp":1579324385000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.combinatorics.org\/ojs\/index.php\/eljc\/article\/view\/v9i2r3"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2002,10,31]]},"references-count":0,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2002,10,31]]}},"URL":"https:\/\/doi.org\/10.37236\/1675","relation":{},"ISSN":["1077-8926"],"issn-type":[{"type":"electronic","value":"1077-8926"}],"subject":[],"published":{"date-parts":[[2002,10,31]]},"article-number":"R3"}}