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%I #13 Jul 28 2024 16:49:35
%S 3,2,1,0,-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11,-12,-13,-14,-15,-16,-17,
%T -18,-19,-20,-21,-22,-23,-24,-25,-26,-27,-28,-29,-30,-31,-32,-33,-34,
%U -35,-36,-37,-38,-39,-40,-41,-42,-43,-44,-45,-46,-47,-48,-49,-50,-51,-52,-53,-54,-55
%N a(n) = 3-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).
%F G.f.: ( 3-4*x ) / (x-1)^2 . - _R. J. Mathar_, Aug 06 2015
%t 3 - Range[0, 100] (* _Paolo Xausa_, Jul 28 2024 *)
%Y Cf. A022958 - A022995.
%K sign,easy
%O 0,1
%A _N. J. A. Sloane_