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 A022960 #15 Jul 29 2024 03:02:49 %S A022960 4,3,2,1,0,-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11,-12,-13,-14,-15,-16,-17, %T A022960 -18,-19,-20,-21,-22,-23,-24,-25,-26,-27,-28,-29,-30,-31,-32,-33,-34, %U A022960 -35,-36,-37,-38,-39,-40,-41,-42,-43,-44,-45,-46,-47,-48,-49,-50,-51,-52,-53,-54 %N A022960 a(n) = 4-n. %H A022960 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>. %H A022960 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1). %F A022960 G.f.: (4-5*x) / (x-1)^2. - _R. J. Mathar_, Aug 06 2015 %t A022960 4-Range[0,60] (* _Harvey P. Dale_, Sep 21 2011 *) %Y A022960 Cf. A022958 - A022995. %K A022960 sign,easy %O A022960 0,1 %A A022960 _N. J. A. Sloane_