A324780 South spoke of spiral in A274641.
0, 4, 1, 8, 12, 7, 6, 10, 9, 16, 18, 29, 22, 30, 15, 44, 33, 37, 38, 36, 42, 34, 55, 56, 50, 52, 63, 57, 39, 67, 62, 64, 72, 86, 47, 84, 91, 74, 99, 75, 51, 105, 106, 65, 109, 87, 116, 60, 107, 122, 124, 101, 127, 88, 103, 128, 133, 95, 131, 142, 115, 146
Offset: 0
Keywords
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.