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.
%I A164861 #19 Dec 10 2024 05:41:09
%S A164861 11,13,19,23,25,29,35,37,39,41,43,47,49,53,55,57,59,61,67,69,71,75,77,
%T A164861 79,81,83,87,89,91,95,97,101,103,105,109,111,113,115,117,121,123,125,
%U A164861 131,133,135,137,139,141,143,145,147,149,151,155,157,159,161,163,167
%N A164861 Odd positive integers that are not palindromes when written in binary.
%C A164861 These are the odd members of A154809.
%H A164861 Reinhard Zumkeller, <a href="/A164861/b164861.txt">Table of n, a(n) for n = 1..10000</a>
%F A164861 A178225(a(n)) * (1 - A000035(a(n))) = 0. [_Reinhard Zumkeller_, Oct 21 2011]
%t A164861 npbQ[n_]:=Module[{idn2=IntegerDigits[n,2]},idn2!=Reverse[idn2]]; Select[ Range[1,201,2],npbQ] (* _Harvey P. Dale_, May 17 2012 *)
%o A164861 (Haskell)
%o A164861 a164861 n = a164861_list !! (n-1)
%o A164861 a164861_list = filter ((== 0) . a178225) a005408_list
%o A164861 -- _Reinhard Zumkeller_, Oct 21 2011
%Y A164861 Cf. A154809.
%K A164861 base,nonn
%O A164861 1,1
%A A164861 _Leroy Quet_, Aug 28 2009
%E A164861 Extended by _Ray Chandler_, Mar 14 2010