OFFSET
1,1
COMMENTS
Grytczuk et al. (2020) show that this sequence is infinite, and found the shortest such word, a(1). The other words shown here were found by Jeffrey Shallit (see A309623).
LINKS
Jaroslaw Grytczuk, Hubert Kordulewski, Artur Niewiadomski, Extremal Square-Free Words, Electronic J. Combinatorics, 27 (1), 2020, #1.48.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Mar 07 2020
EXTENSIONS
a(6)-a(7) from Michael S. Branicky, May 06 2022
STATUS
approved