

A164861


Odd positive integers that are not palindromes when written in binary.


4



11, 13, 19, 23, 25, 29, 35, 37, 39, 41, 43, 47, 49, 53, 55, 57, 59, 61, 67, 69, 71, 75, 77, 79, 81, 83, 87, 89, 91, 95, 97, 101, 103, 105, 109, 111, 113, 115, 117, 121, 123, 125, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, 151, 155, 157, 159, 161, 163, 167
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OFFSET

1,1


COMMENTS

These are the odd members of A154809.


LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000


FORMULA

A178225(a(n)) * (1  A000035(a(n))) = 0. [Reinhard Zumkeller, Oct 21 2011]


MATHEMATICA

npbQ[n_]:=Module[{idn2=IntegerDigits[n, 2]}, idn2!=Reverse[idn2]]; Select[ Range[1, 201, 2], npbQ] Harvey P. Dale, May 17 2012


PROG

(Haskell)
a164861 n = a164861_list !! (n1)
a164861_list = filter ((== 0) . a178225) a005408_list
 Reinhard Zumkeller, Oct 21 2011


CROSSREFS

Cf. A154809.
Sequence in context: A164708 A030792 A101934 * A040150 A214629 A330696
Adjacent sequences: A164858 A164859 A164860 * A164862 A164863 A164864


KEYWORD

base,nonn


AUTHOR

Leroy Quet, Aug 28 2009


EXTENSIONS

Extended by Ray Chandler, Mar 14 2010


STATUS

approved



