A158381 Positions of Fibonacci numbers in the sequence of Markoff numbers (A002559).

1, 2, 3, 4, 6, 7, 10, 12, 15, 17, 22, 24, 30, 34, 38, 43, 50, 55, 63, 67, 73, 81, 89, 96, 105, 113, 121, 131, 142, 151, 163, 171, 182, 190, 204, 215, 228, 239, 254, 266, 282, 294, 308, 323, 337, 354, 371, 383, 401, 417, 435, 451, 469, 482, 502, 519, 542, 562, 583