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 A378560 #17 Dec 03 2024 11:45:08 %S A378560 0,1,2,3,4,5,6,7,8,9,11,22,33,44,55,66,77,88,99,100,101,102,103,104, %T A378560 105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121, %U A378560 122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140 %N A378560 Numbers with the median of the digits equal to one of the digits. %H A378560 Stefano Spezia, <a href="/A378560/b378560.txt">Table of n, a(n) for n = 1..10000</a> %e A378560 10 is not in the list because the median of its digits is not integer. %e A378560 13 is not in the list because the median of its digits is 2 which is not a digit of 13. %e A378560 113 is in the list because the median of its digits is 1 which is a digit of 113. %t A378560 Select[Range[0,140],MemberQ[digits=IntegerDigits[#],Median[digits]] &] %Y A378560 Cf. A001633 (subsequence), A175688, A378564. %Y A378560 Cf. A292730, A292739, A366207, A366208, A366209, A366210, A366211, A366212, A366213, A366214. %K A378560 nonn,base,easy %O A378560 1,3 %A A378560 _Stefano Spezia_, Nov 30 2024