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A066669 Numbers n such that Phi[n] = A000010(n) = 2^k*prime for some k >= 0. +0
5
7, 9, 11, 13, 14, 18, 21, 22, 23, 25, 26, 28, 29, 33, 35, 36, 39, 41, 42, 44, 45, 46, 47, 50, 52, 53, 55, 56, 58, 59, 65, 66, 69, 70, 72, 75, 78, 82, 83, 84, 87, 88, 89, 90, 92, 94, 97, 100, 104, 105, 106, 107, 110, 112, 113, 115, 116, 118, 119, 123, 130, 132, 137, 138 (list; graph; listen)
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Last modified December 5 17:24 EST 2009. Contains 170342 sequences.


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