%I A072814
%S A072814 2,3,2,2,2,3,5,2,2,2,2,2,2,3,7,2,2,2,3,2,5,2,2,2,3,2,2,2,2,3,2,2,2,2,2,
%T A072814 2,2,2,2,3,2,2,2,2,2,3,2,2,2,2,2,3,2,2,2,2,11,2,7,3,2,2,2,2,2,2,3,2,2,
%U A072814 2,5,2,2,2,3,2,2,2,2,2,2,2,2,2,2,2,2,3
%N A072814 Smallest exponents of perfect powers: A001597(n)=A072813(n)^a(n).
%H A072814 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PerfectPower.html">Perfect Power</a>.
%Y A072814 Sequence in context: A086410 A147561 A103266 this_sequence A145390 A128049 
               A104543
%Y A072814 Adjacent sequences: A072811 A072812 A072813 this_sequence A072815 A072816 
               A072817
%K A072814 nonn
%O A072814 1,1
%A A072814 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 12 2002
%E A072814 Definition corrected by Daniel Forgues (squid(AT)zensearch.com), Mar 
               07 2009