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A274930 South spoke of spiral in A274640. 2
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, 53, 64, 58, 40, 68, 63, 65, 73, 87, 48, 85, 92, 75, 100, 76, 52, 106, 107, 66, 110, 88, 117, 61, 108, 123, 125, 102, 128, 89, 104, 129, 134, 96, 132, 143, 116, 147 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..1000

F. Michel Dekking, Jeffrey Shallit, and N. J. A. Sloane, Queens in exile: non-attacking queens on infinite chess boards, Electronic J. Combin., 27:1 (2020), #P1.52.

CROSSREFS

Cf. A274640, A274641. The 8 spokes are A274924-A274931.

Sequence in context: A276610 A065270 A065282 * A080379 A257513 A276849

Adjacent sequences:  A274927 A274928 A274929 * A274931 A274932 A274933

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 12 2016

EXTENSIONS

More terms from Alois P. Heinz, Jul 12 2016

STATUS

approved

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Last modified June 16 02:14 EDT 2021. Contains 345055 sequences. (Running on oeis4.)