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A050331 Number of factorizations into numbers with an odd number of prime factors indexed by prime signatures. A050330(A025487). +0
2
1, 1, 1, 1, 2, 2, 2, 3, 2, 3, 3, 4, 4, 4, 5, 6, 6, 5, 8, 7, 8, 5, 9, 10, 6, 11, 13, 11, 9, 13, 14, 8, 16, 20, 14, 17, 20, 15, 21, 10, 22, 22, 20, 21, 31, 19, 27, 29, 26, 29, 12, 37, 30, 12, 36, 32, 46, 24, 42, 41, 44, 40, 15, 58, 40, 27, 61, 48, 49, 66, 31, 43, 63, 64, 56, 70, 68 (list; graph; listen)
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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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