A308886 Positions of 1's on the spiral defined in A308884.
4, 5, 6, 9, 10, 11, 12, 15, 21, 24, 31, 34, 44, 58, 61, 64, 66, 67, 68, 69, 71, 72, 75, 78, 80, 81, 82, 84, 85, 86, 87, 89, 90, 93, 96, 99, 100, 109, 111, 120, 122, 131, 133, 136, 139, 142, 161, 164, 187, 190, 196, 198, 200, 201, 202, 203, 204, 205, 207, 209, 210, 211, 213, 215
Offset: 1