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 A366212 #12 Oct 06 2023 11:02:10 %S A366212 6,39,48,57,66,75,84,93,166,167,168,169,176,186,196,266,267,268,269, %T A366212 276,286,296,366,367,368,369,376,386,396,466,467,468,469,476,486,496, %U A366212 566,567,568,569,576,586,596,606,607,608,609,616,617,618,619,626,627,628,629 %N A366212 Numbers whose median of the digits is equal to 6. %e A366212 39 is a term since the median of the digits 3 and 9 is (3+9)/2 = 6; %e A366212 166 is a term since the median of the digits 1, 6, and 6 is 6. %t A366212 Select[Range[0,630], Median[IntegerDigits[#]]==6&] %Y A366212 Cf. A292730 (median = 0), A292739 (median = 9), A366207 (median = 1), A366208 (median = 2), A366209 (median = 3), A366210 (median = 4), A366211 (median = 5), A366213 (median = 7), A366214 (median = 8). %K A366212 nonn,base,easy %O A366212 1,1 %A A366212 _Stefano Spezia_, Oct 04 2023