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North spoke of spiral in A274641.
0

%I #9 Mar 07 2020 13:50:20

%S 0,3,5,2,11,13,14,17,19,25,24,26,20,28,21,40,31,23,35,32,45,27,41,54,

%T 49,61,59,70,68,73,53,79,81,46,43,77,90,48,97,92,78,58,85,89,108,69,

%U 100,76,119,118,96,129,117,71,66,135,130,82,140,93,123,152,138

%N North 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