%I #7 Aug 25 2014 11:47:56
%S 4,6,22,33,44,66,121,202,222,242,303,333,363,404,424,444,484,606,636,
%T 666,1111,1221,1331,1441,2002,2112,2222,2332,2442,2662,3003,3333,3443,
%U 3663,4004,4224,4444,4664,4884,6006,6336,6666,10201
%N Palindromes which are the geometric mean of two distinct palindromes >1.
%C Sequence is infinite as (10^k - 1)/3 is always a member for k >1. (10^k-1)/3 = {(10^k -1)/9}*{10^k -1}^(1/2).
%e 6 = (4*9)^(1/2), 121 = (11*1331)^(1/2).
%e 4444 = (2222*8888)^(1/2)
%e 4664 = (25652*848)^(1/2)
%e 4884 = (26862*888)^(1/2)
%e 6006 = (4004*9009)^(1/2)
%e 6336 = (405504*99)^(1/2)
%e 6666 = (4444*9999)^(1/2)
%e 10201 = (101*1030301)^(1/2)
%K base,nonn
%O 1,1
%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 25 2003
%E More terms from Deepan Majmudar (deepan.majmudar(AT)hp.com), Nov 29 2004