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#35 by Joerg Arndt at Thu Feb 23 03:46:21 EST 2023
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#34 by Michel Marcus at Thu Feb 23 02:17:38 EST 2023
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#33 by Amiram Eldar at Thu Feb 23 02:02:10 EST 2023
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#32 by Amiram Eldar at Thu Feb 23 01:53:33 EST 2023
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Sum_{n>=1} (-1)^n/a(n) = 1 - Pi/(6*sqrt(3)) - log(3)/2. - Amiram Eldar, Feb 23 2023
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| STATUS
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approved
editing
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#31 by Charles R Greathouse IV at Thu Sep 08 08:45:48 EDT 2022
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(MAGMAMagma) [(6*n+5-5*(-1)^n)/4: n in [1..70]];
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Discussion
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| Thu Sep 08
| 08:45
| OEIS Server: https://oeis.org/edit/global/2944
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#30 by Alois P. Heinz at Tue Sep 12 16:26:42 EDT 2017
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#29 by Wesley Ivan Hurt at Tue Sep 12 16:05:39 EDT 2017
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#28 by Wesley Ivan Hurt at Tue Sep 12 16:05:29 EDT 2017
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a(n) = floor(3*(n+1)/2)-(-1)^n. - Wesley Ivan Hurt, Sep 12 2017
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approved
editing
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#27 by Charles R Greathouse IV at Sat Jun 17 03:09:41 EDT 2017
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<a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (1,1,-1).
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Discussion
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| Sat Jun 17
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| OEIS Server: https://oeis.org/edit/global/2667
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#26 by Bruno Berselli at Mon Feb 27 02:52:59 EST 2017
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