%I A118553
%S A118553 1,1,0,0,1,0,0,0,1,1,1,0,0,0,0,0,1,0,1,0,0,0,0,0,0,1,0,1,0,0,0,0,1,0,0,
%T A118553 0,1,0,0,0,1,0,0,0,0,0,1,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,
%U A118553 0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,2,0,0,0,0
%N A118553 Number of permutations of digits of n which denote perfect power.
%Y A118553 Cf. A039999.
%Y A118553 Sequence in context: A143241 A118626 A062892 this_sequence A102448 A102683 
               A122840
%Y A118553 Adjacent sequences: A118550 A118551 A118552 this_sequence A118554 A118555 
               A118556
%K A118553 base,easy,nonn
%O A118553 1,101
%A A118553 Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), May 07 2006