STATUS
editing
approved
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Revision History for A042778
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MATHEMATICA
LinearRecurrence[{0, 182, 0, -1}, {30, 91, 5490, 16561}, 30] (* Harvey P. Dale, Oct 20 2024 *)
STATUS
approved
editing
PROG
(MAGMAMagma) I:=[30, 91, 5490, 16561]; [n le 4 select I[n] else 182*Self(n-2)-Self(n-4): n in [1..30]]; // Vincenzo Librandi, Dec 04 2013, reduced by Bruno Berselli, Dec 23 2013
STATUS
proposed
approved
STATUS
editing
proposed
LINKS
<a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (0,182,0,-1).
STATUS
proposed
editing
STATUS
editing
proposed
FORMULA
G.f.: (30 + 91*x + 30*x^2 - x^3)/(1 - 182*x^2 + x^4). [_- _Vincenzo Librandi_, Dec 04 2013, simplified by Colin Barker, Dec 23 2013]
a(n) = 33122*a(n-4) - a(n-8) = 182*a(n-2) - a(n-4). [_- _Vincenzo Librandi_, Dec 04 2013, reduced by Bruno Berselli, Dec 23 2013
AUTHOR
STATUS
approved
editing
LINKS
<a href="/index/Rec">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (0,182,0,-1).
LINKS
<a href="/index/Rea#recLCCRec">Index to sequences with linear recurrences with constant coefficients</a>, signature (0,182,0,-1).