The Number of Positions Starting a Square in Binary Words
: Harju T, Karki T, Nowotka D
Publisher: ELECTRONIC JOURNAL OF COMBINATORICS
: 2011
: The Electronic Journal of Combinatorics
: ELECTRONIC JOURNAL OF COMBINATORICS
: ELECTRON J COMB
: ARTN P6
: 1
: 18
: 1
: 10
: 1077-8926
: http://www.combinatorics.org/ojs/index.php/eljc/article/view/v18i1p6/pdf
We consider the number sigma(w) of positions that do not start a square in binary words w. Letting sigma(n) denote the maximum of sigma(w) for length vertical bar w vertical bar = n, we show that lim sigma(n)/n = 15/31.