%I A076292
%S A076292 1,4,8,9,16,25,27,32,36,49,64,81,100,121,125,128,169,196,216,225,243,
%T A076292 256,289,343,361,441,484,512,529,625,676,729,841,900,961,1000,1024,
%U A076292 1089,1156,1225,1296,1331,1369,1444,1521,1681,1764,1849,2048,2116,2187
%N A076292 Perfect powers with square-free root.
%C A076292 A025478(a(n)) = A007947(a(n)).
%e A076292 A001597(17) = 144 = (3*2^2)^2 is not a term.
%Y A076292 Cf. A001597, A025478, A005117, A007947.
%Y A076292 Cf. A072777. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 21 
               2008]
%Y A076292 Sequence in context: A157985 A001597 A072777 this_sequence A090516 A090515 
               A075309
%Y A076292 Adjacent sequences: A076289 A076290 A076291 this_sequence A076293 A076294 
               A076295
%K A076292 nonn
%O A076292 1,2
%A A076292 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 06 2002