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A088088
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a(1) = 1, a(n) = smallest multiple of a(n-1) such that every partial concatenation (n >1) is a prime.
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1
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1, 1, 3, 21, 147, 1029, 103929, 311787, 311787, 311787, 4053231, 28372617, 1447003467, 44857107477, 134571322431, 39967682762007, 5155831076298903, 3542055949417346361, 456925217474837680569, 216125627865598222909137
(list; graph; refs; listen; history; internal format)
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