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A274930 South spoke of spiral in A274640. 2

%I #14 Mar 07 2020 13:50:20

%S 1,5,2,9,13,8,7,11,10,17,19,30,23,31,16,45,34,38,39,37,43,35,56,57,51,

%T 53,64,58,40,68,63,65,73,87,48,85,92,75,100,76,52,106,107,66,110,88,

%U 117,61,108,123,125,102,128,89,104,129,134,96,132,143,116,147

%N South spoke of spiral in A274640.

%H Alois P. Heinz, <a href="/A274930/b274930.txt">Table of n, a(n) for n = 0..1000</a>

%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. The 8 spokes are A274924-A274931.

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Jul 12 2016

%E More terms from _Alois P. Heinz_, Jul 12 2016

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)