|
%I #15 Jun 25 2021 01:42:58
%S 0,1,3,4,5,6,7,9,10,12,13,14,15,16,26,27,28,30,31,32,33,34,36,37,39,
%T 40,41,42,43,45,46,48,49,50,51,52,54,55,57,58,59,60,61,63,64,66,67,68,
%U 69,70,74,81,82,84,85,86,87,88,90,91,93,94,95,96,97,107,108,109,111
%N Numbers whose base-9 representation has the same number of 2's and 8's.
%t Select[Range[0,200],DigitCount[#,9,2]==DigitCount[#,9,8]&] (* _Harvey P. Dale_, Feb 02 2015 *)
%Y Cf. A007095.
%K nonn,base,easy
%O 1,3
%A _Olivier Gérard_
|
