This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A022961 #13 Jul 29 2024 03:03:06
%S A022961 5,4,3,2,1,0,-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11,-12,-13,-14,-15,-16,
%T A022961 -17,-18,-19,-20,-21,-22,-23,-24,-25,-26,-27,-28,-29,-30,-31,-32,-33,
%U A022961 -34,-35,-36,-37,-38,-39,-40,-41,-42,-43,-44,-45,-46,-47,-48,-49,-50,-51,-52,-53
%N A022961 a(n) = 5-n.
%H A022961 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>.
%H A022961 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1).
%F A022961 G.f.: (5-6*x) / (x-1)^2. - _R. J. Mathar_, Aug 06 2015
%t A022961 5-Range[0,60] (* or *) LinearRecurrence[{2,-1},{5,4},60] (* _Harvey P. Dale_, Jul 23 2016 *)
%Y A022961 Cf. A022958 - A022995.
%K A022961 sign,easy
%O A022961 0,1
%A A022961 _N. J. A. Sloane_