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A323827 Apply Lenormand's "raboter" operation to A306211. 1
1, 2, 2, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The operation shortens each run of consecutive equal terms by one term (runs of length 1 vanish).

LINKS

Table of n, a(n) for n=1..41.

Claude Lenormand, Deux transformations sur les mots, Preprint, 5 pages, Nov 17 2003. Apparently unpublished. This is a scanned copy of the version that the author sent to me in 2003.

CROSSREFS

Cf. A306211, A318921.

Sequence in context: A271518 A106825 A156608 * A275850 A112505 A104638

Adjacent sequences:  A323824 A323825 A323826 * A323828 A323829 A323830

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Feb 01 2019

STATUS

approved

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Last modified November 18 02:07 EST 2019. Contains 329242 sequences. (Running on oeis4.)