login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A175808 n-th term is the length of a shortest common superstring of the binary representations of all natural numbers from 1 to n. 0
1, 2, 3, 4, 6, 6, 7, 8, 11, 11, 13, 13, 14, 14, 15, 16, 20, 20, 23, 23, 25, 25 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..22.

FORMULA

a(5)=6 because 6 is the length of 110100 or 101100, which are the 2 possible shortest common superstrings of 1,10,11,100,101.

CROSSREFS

Sequence in context: A106006 A050460 A246594 * A163380 A233569 A246593

Adjacent sequences:  A175805 A175806 A175807 * A175809 A175810 A175811

KEYWORD

nonn,base

AUTHOR

Vladimir Reshetnikov, Sep 08 2010

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 4 13:35 EST 2016. Contains 278750 sequences.