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A305660 Look-and-Say sequence in base 3/2. 0
1, 11, 21, 1211, 111221, 2012211, 1210112221, 111211102120211, 2011220110121112101221, 121021221021101112201121110112211, 1112111012112211101221102012210211220110212221 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Each term has at most 1 zero, 3 ones, and 3 twos in a row.
The first five terms are the same as in Look-and-Say sequence in base 10: A005150.
LINKS
B. Chen, R. Chen, J. Guo, S. Lee et al., On Base 3/2 and its sequences, arXiv:1808.04304 [math.NT], 2018.
EXAMPLE
In base 3/2, the integer 3 is written as 20. Therefore, the next term after 111221 is 2012211: "20 ones, 2 twos, 1 one."
CROSSREFS
Sequence in context: A063850 A005150 A001388 * A110393 A202627 A257491
KEYWORD
nonn,base
AUTHOR
Tanya Khovanova and PRIMES STEP Senior group, Jun 07 2018
STATUS
approved

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Last modified May 18 00:34 EDT 2024. Contains 372608 sequences. (Running on oeis4.)