There exist binary circular 5/2+ power free words of every length.
Aberkane, Ali ; Currie, James D.
The Electronic Journal of Combinatorics [electronic only], Tome 11 (2004), / Harvested from The Electronic Library of Mathematics
Access to full text
Full (PDF)
Publié le : 2004-01-01
EUDML-ID : urn:eudml:doc:124351 
@article{02038356,
     title = {There exist binary circular },
     journal = {The Electronic Journal of Combinatorics [electronic only]},
     volume = {11},
     year = {2004},
     zbl = {1058.68084},
     language = {en},
     url = {http://dml.mathdoc.fr/item/02038356}
}

Aberkane, Ali; Currie, James D. There exist binary circular . The Electronic Journal of Combinatorics [electronic only], Tome 11 (2004) . http://gdmltest.u-ga.fr/item/02038356/