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Squares whose digit reversal is the product of 2 palindromes greater than 1.
0

%I #2 Mar 30 2012 17:40:35

%S 4,9,36,81,121,324,400,484,900,1089,3600,4356,5184,5625,6561,8100,

%T 9801,10201,12100,12321,14641,30276,32400,39204,40000,40804,43681,

%U 44944,48400,53361,55696,60516,69696,90000,108900,110889,219024

%N Squares whose digit reversal is the product of 2 palindromes greater than 1.

%e 6561=81^2 and 1656=4*414

%Y Cf. A115683.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Jan 31 2006