%I #14 Jul 29 2024 07:17:25
%S 31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,
%T 8,7,6,5,4,3,2,1,0,-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11,-12,-13,-14,-15,
%U -16,-17,-18,-19,-20,-21,-22,-23,-24,-25,-26,-27,-28,-29
%N a(n) = 31 - n.
%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>.
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1).
%t 31 - Range[0, 100] (* _Paolo Xausa_, Jul 29 2024 *)
%Y Cf. A022958 - A022995.
%K sign,easy
%O 0,1
%A _N. J. A. Sloane_