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 A179085 #11 Feb 14 2017 23:02:47 %S A179085 1,3,5,7,9,21,23,25,27,29,41,43,45,47,49,61,63,65,67,69,81,83,85,87, %T A179085 89,111,113,115,117,119,131,133,135,137,139,151,153,155,157,159,171, %U A179085 173,175,177,179,191,193,195,197,199,201,203,205,207,209,221,223,225,227 %N A179085 Odd numbers having an odd sum of digits in their decimal representation. %C A179085 a(n) = A030142(n) for n <= 25; %C A179085 intersection of A005408 and A054684: A000035(a(n))*A179081(a(n))=1; %C A179085 complement of A179084 with respect to A005408; %C A179085 complement of A179083 with respect to A054684; %C A179085 a(n) mod 2 = 1 and A007953(a(n)) mod 2 = 1. %H A179085 R. Zumkeller, <a href="/A179085/b179085.txt">Table of n, a(n) for n = 1..1000</a> %H A179085 <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>. %H A179085 <a href="/index/Coi#Colombian">Index entries for Colombian or self numbers and related sequences</a> %t A179085 Select[Range[1,227,2], OddQ[Total[IntegerDigits[#]]] &] (* _Jayanta Basu_, May 07 2013 *) %K A179085 base,nonn,easy %O A179085 1,2 %A A179085 _Reinhard Zumkeller_, Jun 28 2010