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A143992 The sum of prime factors of N (counted with multiplicity) is a substring of N. +0
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4, 18, 144, 150, 168, 175, 198, 220, 230, 242, 246, 255, 322, 366, 444, 624, 1166, 1243, 1323, 1330, 1331, 1462, 1480, 1530, 1992, 2187, 2230, 2240, 2406, 2436, 2625, 2650, 2673, 2730, 2744, 2808, 2925, 3024, 3125, 3182, 3264, 3286, 3366, 3388, 3420, 3484 (list; graph; listen)
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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