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oban n.  and  Ulam n.

First numbers that belong to both sets:

3, 6, 8, 11, 13, 16, 18, 26, 28, 36, 38, 53, 57, 69, 77, 87, 97, 99, 309, 316, 319, 339, 356, 358, 363, 370, 390, 566, 568, 585, 605, 607, 612, 627, 668, 673, 685, 688, 690, 695, 720, 739, 783, 798, 800, 820, 866, 893, 905, 927, 983, 986.