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A324776
North spoke of spiral in A274641.
0
0, 3, 5, 2, 11, 13, 14, 17, 19, 25, 24, 26, 20, 28, 21, 40, 31, 23, 35, 32, 45, 27, 41, 54, 49, 61, 59, 70, 68, 73, 53, 79, 81, 46, 43, 77, 90, 48, 97, 92, 78, 58, 85, 89, 108, 69, 100, 76, 119, 118, 96, 129, 117, 71, 66, 135, 130, 82, 140, 93, 123, 152, 138
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: A112323 A102507 A076556 * A325891 A217859 A108426
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 05 2019
STATUS
approved