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 A030497 #9 Oct 20 2022 23:05:11 %S A030497 1,3,4,8,10,14,16,18,21,27,30,35,38,41,45,51,54,59,62,65,69,75,78,83, %T A030497 86,89,93,96,100,104,108,112,116,124,128,134,138,142,147,154,158,164, %U A030497 168,172,177,184,188,194,198,202,207,211,216,221,226,231,236,244 %N A030497 Position of n-th 1 in A030496. %Y A030497 Cf. A030496. %K A030497 nonn %O A030497 1,2 %A A030497 _Clark Kimberling_ %E A030497 a(34) onward corrected by _Sean A. Irvine_, Apr 02 2020