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A324779 South-West spoke of spiral in A274641. 0
0, 3, 5, 4, 13, 9, 10, 22, 15, 17, 20, 23, 18, 28, 45, 43, 29, 30, 57, 35, 32, 42, 40, 38, 39, 78, 77, 82, 46, 90, 56, 61, 55, 53, 60, 62, 58, 65, 114, 64, 72, 71, 74, 75, 130, 143, 91, 83, 80, 70, 81, 86, 163, 99, 171, 105, 103, 173, 178, 181, 104, 100, 190 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
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
The 8 spokes are A324774-A324781. To get them, subtract 1 from A274924-A274931, respectively.
Sequence in context: A284048 A326119 A201271 * A167808 A161353 A360449
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 05 2019
STATUS
approved

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Last modified June 10 03:15 EDT 2023. Contains 363186 sequences. (Running on oeis4.)