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A106412
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Smallest number beginning with 2 that is the product of exactly n distinct primes.
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0
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2, 21, 222, 210, 2310, 201630, 2012010, 20030010, 223092870, 20090100030, 200560490130, 20055767721990, 2000029432190790, 20384767656323070, 2000848249650860610, 200001648981983238390, 2183473617971732996910
(list; graph; refs; listen; history; internal format)
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