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 A275884 #23 Mar 07 2020 13:50:20 %S A275884 1,2,3,6,7,8,9,12,14,16,17,18,19,22,23,24,25,28,30,32,33,35,36,37,39, %T A275884 41,44,45,46,47,48,51,52,53,55,57,60,61,62,63,65,66,68,70,72,73,74,76, %U A275884 79,81,82,83,84,87,88,89,92,93,94,96,97,98,100,103,105,106,107,109,110,112,114,115,118,119 %N A275884 Indices of Greedy Queens (see A065188) on or above the main diagonal. %C A275884 The word "above" in the definition is somewhat ambiguous. More precisely, this is the list of n such that A065188(n) >= n. %C A275884 If one looks at the graph of A065188, the points appear to lie roughly on two lines, of slopes phi (the golden ratio) and 1/phi. The points in the present sequence appear to fall on the line of slope phi. That is, it is appears that A065188(a(n))/a(n) -> phi as n -> oo. %H A275884 N. J. A. Sloane, <a href="/A275884/b275884.txt">Table of n, a(n) for n = 1..30901</a> %H A275884 F. Michel Dekking, Jeffrey Shallit, and N. J. A. Sloane, <a href="https://www.combinatorics.org/ojs/index.php/eljc/article/view/v27i1p52/8039">Queens in exile: non-attacking queens on infinite chess boards</a>, Electronic J. Combin., 27:1 (2020), #P1.52. %Y A275884 Cf. A065188, A275894 (another version). Complement of A199134. %Y A275884 For runs see A275885, A275886. %K A275884 nonn %O A275884 1,2 %A A275884 _N. J. A. Sloane_, Aug 18 2016