A133268 a(n) = positions of 0's after decimal point in decimal expansion of 1/Pi.

5, 15, 31, 37, 48, 79, 81, 84, 89, 95, 118, 137, 189, 222, 232, 240, 258, 264, 269, 279, 298, 314, 315, 362, 371, 394, 435, 451, 460, 463, 466, 472, 480, 497, 507, 510, 520, 521, 525, 541, 565, 569, 571, 596, 600, 606, 609, 610, 636, 670, 702, 703, 706, 707