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A216950 Number of "rotten" strings of length n in {2,3}* (in the curling number sense). 1
0, 1, 1, 0, 1, 1, 2, 4, 4, 8, 14, 11, 18, 30, 26, 24, 40, 35, 58, 69, 48, 84, 158, 67, 139, 287, 215, 242, 490, 323, 624, 919, 516, 1072, 2150, 911, 1891, 3930 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

COMMENTS

See A216730 for definition.

LINKS

Table of n, a(n) for n=1..38.

B. Chaffin, J. P. Linderman, N. J. A. Sloane and Allan Wilks, On Curling Numbers of Integer Sequences, arXiv:1212.6102 [math.CO], 2012-2013.

B. Chaffin, J. P. Linderman, N. J. A. Sloane and Allan Wilks, On Curling Numbers of Integer Sequences, Journal of Integer Sequences, Vol. 16 (2013), Article 13.4.3.

CROSSREFS

Cf. A216730.

Sequence in context: A047073 A069753 A181245 * A240364 A225982 A282528

Adjacent sequences:  A216947 A216948 A216949 * A216951 A216952 A216953

KEYWORD

nonn,more

AUTHOR

Benjamin Chaffin and N. J. A. Sloane, Sep 24 2012

EXTENSIONS

a(31)-a(34) from N. J. A. Sloane, Oct 28 2012

a(35)-a(38) from Lars Blomberg, Jul 30 2018

STATUS

approved

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Last modified January 20 12:50 EST 2019. Contains 319330 sequences. (Running on oeis4.)