%I #7 Aug 22 2021 09:24:17
%S 5,40,250,257,264,271,278,285,292,1720,1776,1832,1888,1944,2000,2056,
%T 12010,12059,12108,12157,12206,12255,12304,12360,12409,12458,12507,
%U 12556,12605,12654,12710,12759,12808,12857,12906,12955
%N Base-7 palindromes that start with 5.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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