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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
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: A308528 A069753 A181245 * A240364 A225982 A282528
KEYWORD
nonn,more
AUTHOR
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 March 19 04:58 EDT 2024. Contains 370952 sequences. (Running on oeis4.)