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A070818 Smallest argument m such that Commutator[Phi(n),P(n)] = 2n-1, where Phi(n)=A000010(n) and P(n)=A006530, the largest prime factor of n. +0
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45, 5, 7, 11, 143, 13, 23, 119, 17, 19, 667, 713, 29, 47, 31, 6929, 59, 407, 37, 41, 2867, 53, 83, 3149, 164561, 3233, 1403, 25631, 107, 61, 3763, 1633, 1679, 71, 79, 803, 73, 5959, 4559, 4717, 89, 4841, 36461, 167, 103, 5353, 179, 1067, 97, 101, 2507, 5989 (list; graph; listen)
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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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