A357440 - OEIS

A357440

Possible half-lengths of self-similar sequences over a finite alphabet that are invariant under retrograde inversion.

3, 11, 15, 23, 35, 36, 39, 44, 51, 63, 75, 83, 95, 99

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OFFSET

1,1

COMMENTS

See Adler-Allouche (2022) for precise definition.

REFERENCES

Christopher Adler and Jean-Paul Allouche (2022), Finite self-similar sequences, permutation cycles, and music composition, Journal of Mathematics and the Arts, 16:3, 244-261, DOI: 10.1080/17513472.2022.2116745.

LINKS

Table of n, a(n) for n=1..14.

CROSSREFS

Cf. A357441.

Sequence in context: A060698 A294690 A331831 * A186302 A323103 A046159

Adjacent sequences: A357437 A357438 A357439 * A357441 A357442 A357443

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Oct 14 2022

STATUS

approved