A054281 Positions of 5's in the decimal expansion of exp(1).

12, 16, 19, 30, 39, 51, 53, 75, 77, 80, 83, 92, 94, 117, 128, 137, 148, 152, 154, 189, 193, 195, 203, 219, 236, 270, 277, 287, 302, 303, 326, 333, 344, 412, 413, 415, 420, 432, 442, 444, 447, 457, 474, 478, 511