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%I #2 Mar 30 2012 18:40:03
%S 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,
%T 0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,0,1,1,0,0,0,
%U 0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,2,0,0,0,0
%N Number of permutations of digits of n which denote perfect power.
%Y Cf. A039999.
%K base,easy,nonn
%O 1,101
%A _Giovanni Teofilatto_, May 07 2006