cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A143906 a(n) is A143905(n) written in binary.

Original entry on oeis.org

1001, 10011001, 10100101, 11000011, 100011110001, 100101101001, 100110011001, 101001100101, 101010010101, 101100001101, 110001100011, 110010010011, 110100001011, 111000000111, 1000011111100001, 1000101111010001
Offset: 1

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Author

Leroy Quet, Sep 04 2008

Keywords

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.

Crossrefs

Cf. A006995, A031443, A143905.
Cf. A057148, A071925.

Formula

Intersection of A057148 and A071925. - R. J. Mathar, Sep 05 2008

Extensions

Extended by R. J. Mathar, Sep 05 2008
Corrected comment. - Leroy Quet, Oct 13 2008
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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