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A005728 Number of fractions in Farey series of order n (1 + A002088).
(Formerly M0661)
+0
16
1, 2, 3, 5, 7, 11, 13, 19, 23, 29, 33, 43, 47, 59, 65, 73, 81, 97, 103, 121, 129, 141, 151, 173, 181, 201, 213, 231, 243, 271, 279, 309, 325, 345, 361, 385, 397, 433, 451, 475, 491, 531, 543, 585, 605, 629, 651, 697, 713, 755, 775, 807, 831, 883 (list; graph; listen)
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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