Search: id:A046231
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%I A046231
%S A046231 0,1,5,17,65,257,1025,4097,16385,65537,262145,1048577,4194305,16777217,
%T A046231 67108865,268435457,1073741825,4294967297
%N A046231 Numbers n such that n^3 is palindromic in base 4.
%C A046231 Base-2 and base 3 do not yield results below 10^8.
%C A046231 Next term is >10000000000 - Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 
               09 2006
%H A046231 P. De Geest, <a href="http://www.worldofnumbers.com/index.html">World!Of 
               Numbers</a>
%F A046231 It seems that for n>=2, a(n)=4^(n-1)+1. - Benoit Cloitre (benoit7848c(AT)orange.fr), 
               Dec 07 2003
%t A046231 For[i = 1, i < 1000000, i++, tmp = IntegerDigits[i^3, 4]; If[tmp == Reverse[tmp], 
               Print[i]] ]; - Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 09 2006
%Y A046231 Cf. A046232.
%Y A046231 Cf. A052539. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 13 
               2008]
%Y A046231 Sequence in context: A120893 A149672 A149673 this_sequence A092896 A149674 
               A149675
%Y A046231 Adjacent sequences: A046228 A046229 A046230 this_sequence A046232 A046233 
               A046234
%K A046231 nonn,more,base
%O A046231 1,3
%A A046231 Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.
%E A046231 More terms from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 09 2006, 
               corrected Nov 01 2006

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