A043684 a(n) = (1/2)*(n-th number whose base-2 representation has exactly 8 runs).
85, 149, 165, 169, 170, 171, 173, 181, 213, 277, 293, 297, 298, 299, 301, 309, 325, 329, 330, 331, 333, 337, 338, 339, 340, 342, 343, 345, 346, 347, 349, 357, 361, 362, 363, 365, 373, 405, 421, 425, 426, 427, 429, 437, 469, 533
Offset: 1