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oban n.  and  Smith n.

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First numbers that belong to both sets:

27, 58, 85, 319, 355, 378, 517, 526, 535, 576, 588, 627, 636, 663, 666, 690, 706, 728, 729, 778, 825, 895, 913, 915, 958, 985.