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 A324781 #10 Mar 07 2020 13:45:31 %S A324781 0,5,4,11,15,16,20,23,26,12,14,35,39,42,46,53,22,55,58,61,38,67,68,34, %T A324781 45,36,41,89,49,96,93,98,101,56,106,114,116,115,119,65,129,130,72,76, %U A324781 139,142,75,79,77,158,160,155,164,91,90,173,88,180,103,186,189 %N A324781 South-East spoke of spiral in A274641. %H A324781 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 A324781 Cf. A274640, A274641. %Y A324781 The 8 spokes are A324774-A324781. To get them, subtract 1 from A274924-A274931, respectively. %K A324781 nonn %O A324781 0,2 %A A324781 _N. J. A. Sloane_, Jul 05 2019