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A049448 Sum of numerator and denominator of fractions in Farey tree A007305/A007306. +0
2
1, 2, 3, 4, 5, 5, 7, 8, 7, 6, 9, 11, 10, 11, 13, 12, 9, 7, 11, 14, 13, 15, 18, 17, 13, 14, 19, 21, 18, 17, 19, 16, 11, 8, 13, 17, 16, 19, 23, 22, 17, 19, 26, 29, 25, 24, 27, 23, 16, 17, 25, 30, 27, 29, 34, 31, 23, 22, 29, 31, 26, 23, 25, 20, 13, 9, 15, 20, 19, 23 (list; graph; listen)
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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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