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 A025055 #8 Aug 05 2019 02:06:22 %S A025055 1,2,3,5,6,8,10,12,13,15,16,18,20,22,23,25,27,29,31,33,34,36,38,40,42, %T A025055 44,46,48,49,51,53,55,57,59,60,62,64,66,67,69,71,73,75,77,79,81,83,85, %U A025055 87,89,90,92,94,96,98,100,102,104,106,108,110,112,114,116,117,119,121,123,125,127,129 %N A025055 Positions of odd numbers in sequence A025051 (numbers of form j*k + k*i + i*j, without repetitions, where 1 <= i <= j <= k). %Y A025055 Cf. A025051. %K A025055 nonn %O A025055 1,2 %A A025055 _Clark Kimberling_ %E A025055 a(71) corrected by _Sean A. Irvine_, Aug 05 2019