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A140078 Numbers n such that n and n+1 have 4 distinct prime factors. +0
6
7314, 8294, 8645, 9009, 10659, 11570, 11780, 11934, 13299, 13629, 13845, 14420, 15105, 15554, 16554, 16835, 17204, 17390, 17654, 17765, 18095, 18290, 18444, 18920, 19005, 19019, 19095, 19227, 20349, 20405, 20769, 21164, 21489, 21735 (list; graph; listen)
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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