A324777 North-West spoke of spiral in A274641.

0, 1, 2, 3, 7, 8, 6, 10, 13, 9, 21, 28, 17, 18, 24, 25, 19, 29, 32, 27, 30, 31, 44, 66, 40, 33, 37, 43, 47, 50, 48, 99, 54, 51, 57, 52, 59, 60, 63, 62, 120, 74, 69, 64, 70, 71, 82, 80, 73, 78, 83, 81, 85, 87, 84, 86, 175, 94, 95, 92, 105, 102, 108, 111, 104

Offset: 0

Author

N. J. A. Sloane, Jul 05 2019

Keywords

• nonn

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

Cf. A274640, A274641.

The 8 spokes are A324774-A324781. To get them, subtract 1 from A274924-A274931, respectively.