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A078766
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Number of primes less than n*phi(n).
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0
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0, 1, 3, 4, 8, 5, 13, 11, 16, 12, 29, 15, 36, 23, 30, 31, 58, 28, 68, 37, 54, 47, 96, 43, 95, 64, 92, 67, 141, 52, 158, 97, 120, 100, 146, 83, 217, 124, 158, 115, 259, 96, 279, 151, 180, 169, 326, 135, 310, 168, 258, 203, 402, 164, 327, 217, 309, 257, 480, 162, 511
(list; graph; refs; listen; history; internal format)
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