A324774 East spoke of spiral in A274641.
0, 1, 3, 7, 10, 11, 15, 8, 18, 23, 21, 17, 26, 25, 20, 36, 42, 38, 39, 48, 27, 28, 31, 45, 54, 59, 44, 47, 65, 72, 69, 75, 82, 76, 64, 74, 41, 61, 93, 95, 100, 102, 66, 62, 111, 79, 112, 57, 106, 63, 107, 119, 108, 68, 123, 129, 139
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.