login
South-East spoke of spiral in A274641.
9

%I #10 Mar 07 2020 13:45:31

%S 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 45,36,41,89,49,96,93,98,101,56,106,114,116,115,119,65,129,130,72,76,

%U 139,142,75,79,77,158,160,155,164,91,90,173,88,180,103,186,189

%N South-East spoke of spiral in A274641.

%H 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 Cf. A274640, A274641.

%Y The 8 spokes are A324774-A324781. To get them, subtract 1 from A274924-A274931, respectively.

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Jul 05 2019