%I #7 Aug 22 2021 09:23:48
%S 3,21,111,117,123,129,135,141,651,693,735,777,819,861,3891,3927,3963,
%T 3999,4035,4071,4113,4149,4185,4221,4257,4293,4335,4371,4407,4443,
%U 4479,4515,4557,4593,4629,4665,4701,4737,4779,4815
%N Base-6 palindromes that start with 3.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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