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A080997 The positive integers arranged in nonincreasing order of centrality (the fraction of n represented by the average gcd of n and the other positive integers). +0
8
1, 2, 3, 4, 6, 5, 8, 12, 10, 7, 9, 15, 14, 18, 16, 20, 24, 11, 30, 13, 21, 28, 22, 36, 17, 40, 27, 26, 42, 32, 48, 25, 19, 60, 33, 35, 45, 44, 34, 23, 54, 56, 39, 72, 50, 38, 52, 84, 66, 70, 90, 63, 29, 80, 46, 31, 51, 64, 120, 55, 78, 96, 75, 68, 57, 108, 49, 88, 37, 65, 105 (list; graph; listen)
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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.


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