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%I #12 Jun 29 2021 02:18:53
%S 42,55,91,104,140,153,189,202,238,251,287,295,296,297,298,299,301,308,
%T 315,322,329,356,363,370,377,384,386,387,388,389,390,398,434,447,483,
%U 496,532,545,581,594,630,638,639,640,641,642,644,651,658,665,672,699
%N Numbers whose base-7 representation has the same nonzero number of 0's and 6's.
%Y Cf. A007093.
%K nonn,base,easy
%O 1,1
%A _Olivier Gérard_
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