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 A286355 #19 Sep 29 2017 21:28:53
%S A286355 1,2,4,5,7,8,10,11,13,14,16,17,19,20,21,23,24,26,27,29,30,32,33,35,36,
%T A286355 38,39,40,42,43,45,46,48,49,51,52,54,55,57,58,59,61,62,64,65,67,68,70,
%U A286355 71,73,74,76,77,78,80,81,83,84,86,87,89,90,92,93,95,96
%N A286355 Beatty sequence of (10 + sqrt(10))/9; complement of A177102.
%H A286355 Clark Kimberling, <a href="/A286355/b286355.txt">Table of n, a(n) for n = 1..10000</a>
%t A286355 v = (10 + Sqrt[10])/9; Table[Floor[n*v], {n, 1, 100}]
%Y A286355 Cf. A177102, A286747.
%K A286355 nonn,easy
%O A286355 1,2
%A A286355 _Clark Kimberling_, May 15 2017