%I #12 Jun 29 2021 02:20:13

%S 26,38,75,87,124,136,152,159,166,180,182,183,184,186,188,194,222,234,

%T 248,255,262,266,267,268,270,272,276,290,320,332,369,381,418,430,467,

%U 479,495,502,509,523,525,526,527,529,531,537,565,577,591,598,605,609

%N Numbers whose base-7 representation has the same nonzero number of 3's and 5's.

%Y Cf. A007093.

%K nonn,base,easy

%O 1,1

%A _Olivier Gérard_