%I A039435
%S A039435 78,87,178,187,278,287,378,387,478,487,578,587,678,687,708,718,728,738,
%T A039435 748,758,768,780,781,782,783,784,785,786,789,798,807,817,827,837,847,
%U A039435 857,867,870,871,872,873,874,875,876,879,897,978,987,1078,1087
%N A039435 Numbers n such that representation in base 10 has same nonzero number 
               of 7's and 8's.
%Y A039435 Sequence in context: A033398 A124289 A053083 this_sequence A043258 A044038 
               A025386
%Y A039435 Adjacent sequences: A039432 A039433 A039434 this_sequence A039436 A039437 
               A039438
%K A039435 nonn,base,easy
%O A039435 1,1
%A A039435 Olivier Gerard (olivier.gerard(AT)gmail.com)