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%I #9 Aug 22 2021 09:23:02
%S 3,15,51,55,59,63,195,215,235,255,771,787,803,819,839,855,871,887,907,
%T 923,939,955,975,991,1007,1023,3075,3155,3235,3315,3335,3415,3495,
%U 3575,3595,3675,3755,3835,3855,3935,4015,4095,12291
%N Base-4 palindromes that start with 3.
%Y Cf. A043049.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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