%I A081676
%S A081676 1,1,1,4,4,4,4,8,9,9,9,9,9,9,9,16,16,16,16,16,16,16,16,16,25,25,27,27,
%T A081676 27,27,27,32,32,32,32,36,36,36,36,36,36,36,36,36,36,36,36,36,49,49,49,
%U A081676 49,49,49,49,49,49,49,49,49,49,49,49,64,64,64,64,64,64,64,64,64,64,64
%N A081676 Largest perfect power <= n.
%C A081676 a(n) = n - A069584(n).
%Y A081676 Cf. A001597.
%Y A081676 Sequence in context: A120327 A056629 A167185 this_sequence A114555 A124570 
               A053187
%Y A081676 Adjacent sequences: A081673 A081674 A081675 this_sequence A081677 A081678 
               A081679
%K A081676 nonn
%O A081676 1,4
%A A081676 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 26 2003