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A028415 Numerator of Sum_{k=1..n} 1/phi(k). +0
4
1, 2, 5, 3, 13, 15, 47, 25, 13, 55, 281, 74, 301, 311, 637, 163, 1319, 453, 4117, 4207, 4267, 4339, 48089, 49079, 9895, 10027, 10115, 10247, 72125, 73511, 369403, 93217, 9391, 75821, 76283, 77207, 77515, 78131, 78593, 39643, 49727, 100609, 100939, 25408, 204419 (list; graph; listen)
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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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