This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A045192 #15 May 21 2023 00:20:11 %S A045192 15,28,40,53,65,76,77,79,80,85,95,103,115,133,138,141,142,144,148,153, %T A045192 165,178,190,201,202,204,205,210,220,228,240,258,263,266,267,269,273, %U A045192 278,290,303,315,326,327,329,330,335,345,353 %N A045192 Numbers whose base-5 representation contains exactly one 0 and one 3. %C A045192 Subset of A039285. - _R. J. Mathar_, Oct 20 2008 %t A045192 Select[Range[400],DigitCount[#,5,0]==DigitCount[#,5,3]==1&] (* _Harvey P. Dale_, Feb 20 2020 *) %Y A045192 Cf. A007091. %K A045192 nonn,base %O A045192 1,1 %A A045192 _Clark Kimberling_