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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 3, 0, 0, 6, 0, 0, 10, 1, 0, 18, 0, 0, 36, 0, 0, 62, 0, 4, 113, 0, 0, 210, 6, 0, 391, 0, 0, 739, 0, 0, 1365, 2, 20, 2570, 0, 0, 4854, 37, 4, 9198, 0, 0, 17544, 0, 0, 33296, 0, 126, 63550, 0, 0, 121574, 248, 0, 233016, 0, 0, 447828, 0
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,15
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COMMENTS
| There was a suggestion that these were the same sequence, but they are not.
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FORMULA
| A000799(n) = A064355(n) just for: (1) n a power of 2. (2) n = p * 2^k, where p is a prime with p > 2^{2^k - k}. (Including the case k=0. ) (3) n = 9. -Franklin T. Adams-Watters, Feb 14 2006
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MATHEMATICA
| f[n_] := Block[{d = Select[Divisors@n, OddQ@# &]}, Floor[2^n/n] - Plus @@ (2^(n/d)*MoebiusMu@d)/n]; Array[f, 76] (* Robert G. Wilson v *)
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CROSSREFS
| Cf. A000799, A064355.
Sequence in context: A175676 A035377 A136274 * A182797 A024159 A029302
Adjacent sequences: A114696 A114697 A114698 * A114700 A114701 A114702
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KEYWORD
| nonn
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AUTHOR
| Paul D. Hanna, Feb 20 2006
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EXTENSIONS
| More terms from Robert G. Wilson v (rgwv(at)rgwv.com), Feb 20 2006
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