A054315 Positions of 9's in the decimal expansion of Euler's constant.

10, 26, 42, 46, 48, 49, 53, 82, 85, 92, 99, 111, 121, 145, 146, 151, 169, 181, 185, 188, 197, 199, 211, 242, 243, 250, 254, 270, 271, 284, 288, 300, 317, 318, 325, 339, 342, 355, 377, 379, 380, 396, 411, 420, 439