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 A022991 #11 Jul 29 2024 08:18:26 %S A022991 35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13, %T A022991 12,11,10,9,8,7,6,5,4,3,2,1,0,-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11,-12, %U A022991 -13,-14,-15,-16,-17,-18,-19,-20,-21,-22,-23,-24,-25 %N A022991 a(n) = 35-n. %H A022991 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>. %H A022991 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1). %t A022991 35 - Range[0, 100] (* _Paolo Xausa_, Jul 29 2024 *) %Y A022991 Cf. A022958 - A022995. %K A022991 sign,easy %O A022991 0,1 %A A022991 _N. J. A. Sloane_