%I #70 Feb 20 2023 18:51:34
%S 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
%T 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
%U 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5
%N Constant sequence: the all 5's sequence.
%C Continued fraction expansion of (5 + sqrt(29))/2. - _Bruno Berselli_, Mar 15 2011
%C Decimal expansion of 5/9. - _Arkadiusz Wesolowski_, Sep 12 2011
%C With offset -1, decimal expansion of 1/18. - _Michel Marcus_, Apr 06 2018
%H INRIA Algorithms Project, <a href="http://ecs.inria.fr/services/structure?nbr=1013">Encyclopedia of Combinatorial Structures 1013</a>
%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>
%H Jan-Christoph Schlage-Puchta, <a href="http://arxiv.org/abs/1105.1305">Sumsets avoiding squarefree integers</a>, arXiv:1105.1305 [math.NT], 2011. See abstract.
%H <a href="/index/Di#divseq">Index to divisibility sequences</a>
%H <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1).
%F G.f.: 5/(1-x). - _Bruno Berselli_, Mar 15 2011
%F a(n) = 5. - _Arkadiusz Wesolowski_, Sep 12 2011
%F E.g.f.: 5*e^x. - _Vincenzo Librandi_, Jan 24 2012
%t Table[5, {81}] (* _Arkadiusz Wesolowski_, Sep 12 2011 *)
%o (PARI) a(n)=5 \\ _Charles R Greathouse IV_, Sep 24 2015
%o (Scala) List.fill(100)(5) // _Alonso del Arte_, Apr 25 2020
%Y Cf. A000012, A084962.
%K nonn,easy
%O 0,1
%A _N. J. A. Sloane_