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A039130 Numbers whose base-10 representation has the same number of 2's and 5's. 0

%I #13 Jun 26 2021 01:54:31

%S 0,1,3,4,6,7,8,9,10,11,13,14,16,17,18,19,25,30,31,33,34,36,37,38,39,

%T 40,41,43,44,46,47,48,49,52,60,61,63,64,66,67,68,69,70,71,73,74,76,77,

%U 78,79,80,81,83,84,86,87,88,89,90,91,93,94,96,97,98,99,100,101,103

%N Numbers whose base-10 representation has the same number of 2's and 5's.

%t Select[Range[0,110],DigitCount[#,10,2]==DigitCount[#,10,5]&] (* _Harvey P. Dale_, Jul 25 2011 *)

%K nonn,base,easy

%O 1,3

%A _Olivier GĂ©rard_

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Last modified March 29 05:28 EDT 2024. Contains 371264 sequences. (Running on oeis4.)