A037004 Positions of the digit '5' in the decimal expansion of Pi.

4, 8, 10, 31, 48, 51, 61, 90, 109, 130, 131, 133, 141, 143, 158, 172, 177, 178, 179, 191, 210, 213, 225, 240, 252, 256, 272, 304, 315, 316, 325, 338, 345, 355, 367, 370, 379, 389, 394, 404, 411, 413, 415, 419, 444, 448, 466, 470, 474, 476, 515, 534, 562