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Search: id:A036538
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| A036538 |
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Number of integers m below 2^n such that d(m) = 2^k for some k=0,1,2,3.. |
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+0 1
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| 2, 3, 7, 12, 23, 45, 89, 178, 356, 707, 1409, 2822, 5639, 11273, 22546, 45088, 90165, 180315, 360637
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