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A036930
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Smallest n-digit prime containing only digits 1 and 3, or 0 if no such prime exists.
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0
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3, 11, 113, 3331, 11113, 113111, 1111333, 11111131, 111111113, 1111113313, 11111111113, 111111133333, 1111111111333, 11111111113133, 111111111113113, 1111111111313131, 11111111111131333, 111111111111111131
(list; graph; refs; listen; history; internal format)
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