Shelton, Robert Aperiodic words on three symbols. (English) Zbl 0441.05007 J. Reine Angew. Math. 321, 195-209 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 9 Documents MSC: 05A99 Enumerative combinatorics 11B39 Fibonacci and Lucas numbers and polynomials and generalizations 03D40 Word problems, etc. in computability and recursion theory Keywords:sequences; L-fixed; chain-like isolated point PDF BibTeX XML Cite \textit{R. Shelton}, J. Reine Angew. Math. 321, 195--209 (1981; Zbl 0441.05007) Full Text: DOI Crelle EuDML OpenURL Online Encyclopedia of Integer Sequences: Number of dissimilar ternary squarefree words of length n+1.