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#17 by Charles R Greathouse IV at Thu Sep 08 08:44:55 EDT 2022
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(MAGMAMagma) I:=[1, 12, 577, 6936]; [n le 4 select I[n] else 578*Self(n-2)-Self(n-4): n in [1..30]]; // Vincenzo Librandi, Jan 15 2014
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Discussion
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Thu Sep 08
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| OEIS Server: https://oeis.org/edit/global/2944
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#16 by Charles R Greathouse IV at Sat Jun 13 00:49:39 EDT 2015
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<a href="/index/Rec">Index to sequencesentries withfor linear recurrences with constant coefficients</a>, signature (0,578,0,-1).
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Discussion
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Sat Jun 13
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| OEIS Server: https://oeis.org/edit/global/2439
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#15 by Charles R Greathouse IV at Fri Jun 12 15:24:24 EDT 2015
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<a href="/index/Rea#recLCCRec">Index to sequences with linear recurrences with constant coefficients</a>, signature (0,578,0,-1).
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Discussion
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Fri Jun 12
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| OEIS Server: https://oeis.org/edit/global/2436
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#14 by Michel Marcus at Wed Jan 15 01:50:34 EST 2014
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#13 by Joerg Arndt at Wed Jan 15 01:21:41 EST 2014
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#12 by Vincenzo Librandi at Wed Jan 15 01:19:44 EST 2014
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#11 by Vincenzo Librandi at Wed Jan 15 01:19:37 EST 2014
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<a href="/index/Rea#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (0,578,0,-1).
<a href="/index/Rea#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (0,578,0,-1).
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#10 by Vincenzo Librandi at Wed Jan 15 01:19:09 EST 2014
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| LINKS
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Vincenzo Librandi, <a href="/A042111/b042111.txt">Table of n, a(n) for n = 0..200</a>
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| FORMULA
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a(n) = 578*a(n-2) - a(n-4) for n>3. - Vincenzo Librandi, Jan 15 2014
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| PROG
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(MAGMA) I:=[1, 12, 577, 6936]; [n le 4 select I[n] else 578*Self(n-2)-Self(n-4): n in [1..30]]; // Vincenzo Librandi, Jan 15 2014
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#9 by Vincenzo Librandi at Wed Jan 15 01:15:51 EST 2014
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| MATHEMATICA
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Denominator[Convergents[Sqrt[580], 30]] (* Vincenzo Librandi, Jan 15 2014 *)
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| KEYWORD
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nonn,cofr,frac,easy
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| STATUS
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approved
editing
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#8 by Bruno Berselli at Mon Dec 02 06:49:39 EST 2013
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