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Revision History for A041455

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A041455

Denominators of continued fraction convergents to sqrt(243).
(history; published version)

#18 by Charles R Greathouse IV at Thu Sep 08 08:44:54 EDT 2022

PROG

(MAGMAMagma) I:=[1, 1, 2, 5, 17, 260, 797, 1854, 2651, 4505, 137801, 142306, 280107, 702520, 2387667, 36517525, 111940242, 260398009, 372338251, 632736260]; [n le 20 select I[n] else 140452*Self(n-10)-Self(n-20): n in [1..40]]; // Vincenzo Librandi, Dec 18 2013

Discussion

Thu Sep 08

08:44

OEIS Server: https://oeis.org/edit/global/2944

#17 by Charles R Greathouse IV at Sat Jun 13 00:49:24 EDT 2015

LINKS

<a href="/index/Rec">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,0,0,0,0,0,140452,0,0,0,0,0,0,0,0,0,-1).

Discussion

Sat Jun 13

00:49

OEIS Server: https://oeis.org/edit/global/2439

#16 by Charles R Greathouse IV at Fri Jun 12 15:24:10 EDT 2015

LINKS

<a href="/index/Rea#recLCCRec">Index to sequences with linear recurrences with constant coefficients</a>, signature (0,0,0,0,0,0,0,0,0,140452,0,0,0,0,0,0,0,0,0,-1).

Discussion

Fri Jun 12

15:24

OEIS Server: https://oeis.org/edit/global/2436

#15 by Michel Marcus at Wed Dec 18 03:54:48 EST 2013

STATUS

reviewed

approved

#14 by Bruno Berselli at Wed Dec 18 03:52:31 EST 2013

STATUS

proposed

reviewed

#13 by Bruno Berselli at Wed Dec 18 03:52:25 EST 2013

STATUS

editing

proposed

#12 by Bruno Berselli at Wed Dec 18 03:52:20 EST 2013

FORMULA

a(n) = 140452*a(n-10) - a(n-20) for n>19. - Vincenzo Librandi, Dec 18 2013

STATUS

proposed

editing

#11 by Vincenzo Librandi at Wed Dec 18 03:01:24 EST 2013

STATUS

editing

proposed

#10 by Vincenzo Librandi at Wed Dec 18 03:01:07 EST 2013

FORMULA

a(n) = 140452*a(n-10) - a(n-20). - Vincenzo Librandi, Dec 18 2013

PROG

(MAGMA) I:=[1, 1, 2, 5, 17, 260, 797, 1854, 2651, 4505, 137801, 142306, 280107, 702520, 2387667, 36517525, 111940242, 260398009, 372338251, 632736260]; [n le 20 select I[n] else 140452*Self(n-10)-Self(n-20): n in [1..40]]; // Vincenzo Librandi, Dec 18 2013

#9 by Vincenzo Librandi at Wed Dec 18 02:57:25 EST 2013

LINKS

<a href="/index/Rea#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (0,0,0,0,0,0,0,0,0,140452,0,0,0,0,0,0,0,0,0,-1).