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A274924 East spoke of spiral in A274640. 19


%S 1,2,4,8,11,12,16,9,19,24,22,18,27,26,21,37,43,39,40,49,28,29,32,46,

%T 55,60,45,48,66,73,70,76,83,77,65,75,42,62,94,96,101,103,67,63,112,80,

%U 113,58,107,64,108,120,109,69,124,130,140,134,122,133,139,129

%N East spoke of spiral in A274640.

%H Alois P. Heinz, <a href="/A274924/b274924.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 June 23 18:45 EDT 2021. Contains 345402 sequences. (Running on oeis4.)