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A055517
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Largest integer k such that k | Phi(k) - d(k) + n, or 0 if no such k exists, where d() is the number of divisors.
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0
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30, 4, 12, 0, 1, 4, 9, 2, 25, 4, 49, 15, 14, 27, 121, 35, 169, 33, 26, 55, 289, 77, 361, 91, 38, 85, 529, 143, 46, 133, 44, 187, 841, 221, 961, 247, 62, 253, 42, 323, 1369, 217, 74, 391, 1681, 437, 1849, 403, 86, 493, 2209
(list; graph; refs; listen; history; internal format)
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