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Search: id:A143906
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A143906 a(n) is A143905(n) written in binary. +0
2
1001, 10011001, 10100101, 11000011, 100011110001, 100101101001, 100110011001, 101001100101, 101010010101, 101100001101, 110001100011, 110010010011, 110100001011, 111000000111, 1000011111100001, 1000101111010001 (list; graph; listen)
OFFSET

1,1

COMMENT

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

Leroy Quet, Home Page (listed in lieu of email address)

FORMULA

Intersection of A057148 and A071925. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 05 2008]

CROSSREFS

A006995, A031443, A143905

Sequence in context: A109431 A140927 A097659 this_sequence A139105 A151956 A111349

Adjacent sequences: A143903 A143904 A143905 this_sequence A143907 A143908 A143909

KEYWORD

base,nonn

AUTHOR

Leroy Quet, Sep 04 2008

EXTENSIONS

Extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 05 2008

Corrected comment. - Leroy Quet, Oct 13 2008

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.


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