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oban n.  and  truncatable prime

First numbers that belong to both sets:

3, 5, 7, 13, 17, 23, 29, 37, 53, 59, 67, 73, 79, 83, 97, 311, 313, 317, 337, 353, 367, 373, 379, 383, 397, 523, 593, 599, 613, 617, 653, 673, 683, 719, 733, 739, 773, 797, 823, 853, 883, 937, 953, 967, 983, 997.