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A046339 Composite numbers with an odd number of prime factors (counted with multiplicity). +0
5
8, 12, 18, 20, 27, 28, 30, 32, 42, 44, 45, 48, 50, 52, 63, 66, 68, 70, 72, 75, 76, 78, 80, 92, 98, 99, 102, 105, 108, 110, 112, 114, 116, 117, 120, 124, 125, 128, 130, 138, 147, 148, 153, 154, 162, 164, 165, 168, 170, 171, 172, 174, 175, 176, 180, 182, 186, 188 (list; graph; listen)
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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