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A070008 Arithmetical mean of distinct primes dividing n is a power of 2 (n=powers of 2 are not left out). +0
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2, 4, 8, 15, 16, 32, 39, 42, 45, 55, 64, 75, 84, 87, 114, 117, 126, 128, 135, 168, 170, 183, 225, 228, 247, 252, 256, 258, 261, 275, 294, 295, 336, 340, 342, 351, 375, 378, 405, 410, 456, 504, 507, 512, 516, 549, 583, 588, 605, 672, 675, 680, 684, 756, 774 (list; graph; listen)
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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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