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A324778 West spoke of spiral in A274641. 0
0, 2, 4, 5, 6, 14, 9, 16, 12, 24, 13, 30, 19, 32, 33, 37, 34, 35, 22, 40, 51, 46, 52, 43, 29, 53, 60, 49, 50, 56, 70, 77, 80, 71, 78, 85, 92, 73, 90, 88, 97, 101, 104, 55, 105, 81, 96, 87, 94, 86, 58, 109, 67, 84, 124, 83, 125, 127, 115, 143, 91, 126, 141 (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: A331624 A191165 A360994 * A058637 A026473 A272929
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 05 2019
STATUS
approved

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Last modified September 11 17:23 EDT 2024. Contains 375839 sequences. (Running on oeis4.)