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%I #11 Jun 30 2021 03:58:05
%S 24,42,124,142,204,214,234,240,241,243,245,246,247,248,249,254,264,
%T 274,284,294,324,342,402,412,420,421,423,425,426,427,428,429,432,452,
%U 462,472,482,492,524,542,624,642,724,742,824,842,924,942,1024,1042
%N Numbers whose base-10 representation has the same nonzero number of 2's and 4's.
%K nonn,base,easy
%O 1,1
%A _Olivier Gérard_
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