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A219750
a(n) is formed by concatenating the first n terms of A219749.
1
11212112, 1121211211121121112, 112121121112112111211112111211112, 11212112111211211121111211121111211111211112111112, 1121211211121121112111121112111121111121111211111211111121111121111112, 112121121112112111211112111211112111112111121111121111112111112111111211111112111111211111112
OFFSET
1,1
LINKS
J. Berstel, A. Lauve, C. Reutenauer & F. Saliola, Combinatorics on Words: Christoffel Words and Repetitions in Words, 2008; see p. 110.
Aviezri S. Fraenkel and Jamie Simpson, How Many Squares Can a String Contain?, Journal of Combinatorial Theory, Series A 82, 112-120 (1998).
CROSSREFS
Cf. A219749.
Sequence in context: A232445 A187375 A219749 * A201253 A273879 A321506
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 28 2012
STATUS
approved