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

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

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

Table of n, a(n) for n=1..16.

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