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%I #12 Jun 29 2021 02:18:31
%S 17,23,66,72,101,108,119,120,123,124,125,129,136,143,149,156,161,162,
%T 165,166,167,177,184,191,213,219,262,268,311,317,360,366,409,415,444,
%U 451,462,463,466,467,468,472,479,486,492,499,504,505,508,509,510,520
%N Numbers whose base-7 representation has the same nonzero number of 2's and 3's.
%Y Cf. A007093.
%K nonn,base,easy
%O 1,1
%A _Olivier Gérard_
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