A039399 - OEIS

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A039399

Numbers whose base-10 representation has the same nonzero number of 0's and 7's.

%I #11 Jun 30 2021 03:54:57

%S 70,107,170,207,270,307,370,407,470,507,570,607,670,701,702,703,704,

%T 705,706,708,709,710,720,730,740,750,760,780,790,807,870,907,970,1017,

%U 1027,1037,1047,1057,1067,1071,1072,1073,1074,1075,1076,1078,1079

%N Numbers whose base-10 representation has the same nonzero number of 0's and 7's.

%K nonn,base,easy

%O 1,1

%A _Olivier Gérard_