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A050384 Nonprimes such that n and phi(n) are relatively prime. +0
6
1, 15, 33, 35, 51, 65, 69, 77, 85, 87, 91, 95, 115, 119, 123, 133, 141, 143, 145, 159, 161, 177, 185, 187, 209, 213, 215, 217, 221, 235, 247, 249, 255, 259, 265, 267, 287, 295, 299, 303, 319, 321, 323, 329, 335, 339, 341, 345, 365, 371, 377, 391, 393, 395, 403 (list; graph; listen)
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Last modified December 5 17:24 EST 2009. Contains 170342 sequences.


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