The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A143906 a(n) is A143905(n) written in binary. 1
 1001, 10011001, 10100101, 11000011, 100011110001, 100101101001, 100110011001, 101001100101, 101010010101, 101100001101, 110001100011, 110010010011, 110100001011, 111000000111, 1000011111100001, 1000101111010001 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS This sequence lists all finite binary strings that are palindromes with an equal number of 0's and 1's and that each start and end with 1, listed in order of the strings' numerical values if the strings are considered to be base 2 numbers. LINKS FORMULA Intersection of A057148 and A071925. - R. J. Mathar, Sep 05 2008 CROSSREFS Cf. A006995, A031443, A143905. Cf. A057148, A071925. Sequence in context: A261544 A097659 A295462 * A215593 A204575 A139105 Adjacent sequences:  A143903 A143904 A143905 * A143907 A143908 A143909 KEYWORD base,nonn AUTHOR Leroy Quet, Sep 04 2008 EXTENSIONS Extended by R. J. Mathar, Sep 05 2008 Corrected comment. - Leroy Quet, Oct 13 2008 STATUS approved

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

Last modified August 16 07:50 EDT 2022. Contains 356160 sequences. (Running on oeis4.)