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#22 by Joerg Arndt at Tue Oct 06 03:28:51 EDT 2020
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#21 by Michel Marcus at Tue Oct 06 03:27:10 EDT 2020
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#20 by Amiram Eldar at Tue Oct 06 03:25:51 EDT 2020
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#19 by Amiram Eldar at Tue Oct 06 03:25:36 EDT 2020
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Discussion
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| Tue Oct 06
| 03:25
| Amiram Eldar: I added it. Thanks!
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#18 by Amiram Eldar at Tue Oct 06 03:09:37 EDT 2020
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Discussion
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| Tue Oct 06
| 03:22
| Michel Marcus: 2/Pi^2 is A185197
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#17 by Amiram Eldar at Tue Oct 06 03:03:30 EDT 2020
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| COMMENTS
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The asymptotic density of this sequence is 2/Pi^2. - Amiram Eldar, Oct 06 2020
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| MATHEMATICA
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Select[Range[1, 255, 2], MoebiusMu[#] == -1 &] (* Amiram Eldar, Oct 06 2020 *)
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| STATUS
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approved
editing
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#16 by N. J. A. Sloane at Wed Oct 07 12:39:39 EDT 2015
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#15 by N. J. A. Sloane at Wed Oct 07 12:39:36 EDT 2015
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| LINKS
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H. Gupta, <a href="/A002556/a002556.pdf"> A formula for L(n)</a>, J. Indian Math. Soc., 7 (1943), 68-71. [Annotated scanned copy]
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approved
editing
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#14 by T. D. Noe at Tue Jul 30 13:55:45 EDT 2013
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#13 by Jean-François Alcover at Tue Jul 30 13:28:06 EDT 2013
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