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%I #5 Mar 30 2012 17:40:35
%S 4,8,9,27,36,72,81,121,243,324,400,484,648,800,900,1089,1331,1728,
%T 1800,2187,2197,2700,3267,3456,3600,4000,4356,4500,5184,5292,5324,
%U 5400,5625,6561,7200,7803,8000,8100,8712,9000,9261,9801,10201,11979
%N Powerful(1) numbers (A001694) whose digit reversal is the product of 2 palindromes greater than 1.
%H <a href="/index/Pow#powerful">Index entries for sequences related to powerful numbers</a>
%e 3267=3^3*11^2 is powerful and 7623=77*99.
%Y Cf. A001694, A115683.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Jan 31 2006