A164861 Odd positive integers that are not palindromes when written in binary.

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

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 !! (n-1)
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