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Revision History for A002532

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Showing entries 1-10 | older changes
a(n) = 2*a(n-1) + 5*a(n-2), a(0) = 0, a(1) = 1.
(history; published version)
#75 by Charles R Greathouse IV at Thu Sep 08 08:44:30 EDT 2022
PROG

(MAGMAMagma) [Floor(((1+Sqrt(6))^n-(1-Sqrt(6))^n)/(2*Sqrt(6))): n in [0..30]]; // Vincenzo Librandi, Aug 15 2011

(MAGMAMagma) [n le 2 select n-1 else 2*Self(n-1) + 5*Self(n-2): n in [1..30]]; // G. C. Greubel, Jan 08 2018

Discussion
Thu Sep 08
08:44
OEIS Server: https://oeis.org/edit/global/2944
#74 by Charles R Greathouse IV at Wed Apr 13 13:25:16 EDT 2022
LINKS

Simon Plouffe, <a href="https://arxiv.org/abs/0911.4975">Approximations de séries génératrices et quelques conjectures</a>, Dissertation, Université du Québec à Montréal, 1992; arXiv:0911.4975 [math.NT], 2009.

Discussion
Wed Apr 13
13:25
OEIS Server: https://oeis.org/edit/global/2938
#73 by Charles R Greathouse IV at Fri Mar 12 22:32:35 EST 2021
LINKS

Simon Plouffe, <a href="https://arxiv.org/ftp/arxiv/papers/0911abs/0911.4975.pdf">Approximations de séries génératrices et quelques conjectures</a>, Dissertation, Université du Québec à Montréal, 1992.

Discussion
Fri Mar 12
22:32
OEIS Server: https://oeis.org/edit/global/2898
#72 by N. J. A. Sloane at Mon Feb 22 14:14:29 EST 2021
LINKS

Simon Plouffe, <a href="http://www.lacim.uqam.ca/%7Eplouffe/articlesA000051/FonctionsGeneratricesa000051_2.pdf">1031 Generating Functions and Conjectures</a>, Université du Québec à Montréal, Appendix to Thesis, Montreal, 1992.

Discussion
Mon Feb 22
14:14
OEIS Server: https://oeis.org/edit/global/2888
#71 by N. J. A. Sloane at Mon Feb 22 12:12:20 EST 2021
LINKS

Simon Plouffe, <a href="httphttps://www.lacim.uqamarxiv.caorg/ftp/arxiv/%7Eplouffepapers/articles0911/MasterThesis0911.4975.pdf">Approximations de séries génératrices et quelques conjectures</a>, Dissertation, Université du Québec à Montréal, 1992.

Discussion
Mon Feb 22
12:12
OEIS Server: https://oeis.org/edit/global/2887
#70 by Peter Luschny at Sun Feb 23 06:13:01 EST 2020
STATUS

proposed

approved

#69 by F. Chapoton at Sun Feb 23 06:12:24 EST 2020
STATUS

editing

proposed

#68 by F. Chapoton at Sun Feb 23 06:12:14 EST 2020
PROG

(Sage) from sage.combinat.sloane_functions import recur_gen2; it = recur_gen2(0, 1, 2, 5); [it.next(it) for i in range(30)] # Zerinvary Lajos, Jun 25 2008

STATUS

approved

editing

Discussion
Sun Feb 23
06:12
F. Chapoton: adapt sage code for python3
#67 by N. J. A. Sloane at Sat Dec 07 12:18:17 EST 2019
PROG

(Sage) [lucas_number1(n, 2, -5) for n in xrangerange(0, 26)] # Zerinvary Lajos, Apr 22 2009

Discussion
Sat Dec 07
12:18
OEIS Server: https://oeis.org/edit/global/2837
#66 by Bruno Berselli at Mon Jan 08 02:54:16 EST 2018
STATUS

editing

approved