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#13 by Joerg Arndt at Wed Jan 03 08:48:59 EST 2024
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#12 by Paolo P. Lava at Wed Jan 03 07:02:30 EST 2024
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a(n)=[I*sqrt(3)]*{[ -(1/2)-(1/2)*I*sqrt(3)]^n-[ -(1/2)+(1/2)*I*sqrt(3)]^n}+(-2)^n, with n>=0 [From Paolo P. Lava, Jul 31 2009]
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approved
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#11 by Harvey P. Dale at Mon Feb 04 17:56:02 EST 2019
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#10 by Harvey P. Dale at Mon Feb 04 17:55:59 EST 2019
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LinearRecurrence[{-3, -3, -2}, {1, 1, 1, 1}, 40] (* Harvey P. Dale, Feb 04 2019 *)
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approved
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#9 by Ray Chandler at Tue Jul 28 16:26:50 EDT 2015
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#8 by Ray Chandler at Tue Jul 28 16:26:47 EDT 2015
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<<a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (-3, -3, -2).
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approved
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#7 by Ray Chandler at Mon Jul 27 20:03:10 EDT 2015
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#6 by Ray Chandler at Mon Jul 27 20:03:06 EDT 2015
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<a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (-3, -3, -2).
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approved
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#5 by Russ Cox at Fri Mar 30 18:53:44 EDT 2012
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a(n)=[I*sqrt(3)]*{[ -(1/2)-(1/2)*I*sqrt(3)]^n-[ -(1/2)+(1/2)*I*sqrt(3)]^n}+(-2)^n, with n>=0 [From _Paolo P. Lava (paoloplava(AT)gmail.com), _, Jul 31 2009]
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Discussion
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| Fri Mar 30
| 18:53
| OEIS Server: https://oeis.org/edit/global/262
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#4 by Russ Cox at Fri Mar 30 18:52:03 EDT 2012
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_Paul Curtz (bpcrtz(AT)free.fr), _, Mar 30 2009
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Discussion
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| Fri Mar 30
| 18:52
| OEIS Server: https://oeis.org/edit/global/249
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