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 A141269 #18 Jan 25 2023 09:25:55 %S A141269 1,5,4,7,10,5,5,7,13,5,15,10,7,21,5,21,4,8,9,34,5,8,4,16,5,9,31,8,33, %T A141269 8,13,22,9,5,39,21,16,5,46,5,50,4,14,7,25,49,7,9,7,5,19,15,55,6,16,5, %U A141269 10,21,88,4,8,63,34,9,8,18,5,78,4,20,25,12,73,6,75,39,8,4,21,18,5,92,6,8,6 %N A141269 (0, 1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, ...) transform in (0+1, 2+3, 2+2, 5+2, 3+7, 2+3, 3+2, 2+5, 11+2, 2+3, ...). %H A141269 Seiichi Manyama, <a href="/A141269/b141269.txt">Table of n, a(n) for n = 1..10000</a> %Y A141269 Cf. A136734, A141270. %K A141269 nonn,less %O A141269 1,2 %A A141269 _Juri-Stepan Gerasimov_, Aug 08 2008 %E A141269 Corrected at three or more places by _R. J. Mathar_, Feb 21 2009