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Regularity and irregularity of sequences generated by automata. (English) Zbl 0438.10040

Semin. Theor. Nombres 1979-1980, Expose No. 9, 10 P. (1980).

MSC:

11B83 Special sequences and polynomials
68Q45 Formal languages and automata

Online Encyclopedia of Integer Sequences:

Fixed point of the morphism 1->221, 2->2211.