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%I #8 Jun 13 2015 00:48:58
%S -38,-37,-36,-35,-34,-33,-32,-31,-30,-29,-28,-27,-26,-25,-24,-23,-22,
%T -21,-20,-19,-18,-17,-16,-15,-14,-13,-12,-11,-10,-9,-8,-7,-6,-5,-4,-3,
%U -2,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22
%N n-38.
%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 a(n) = 2 a(n-1) - a(n-2). a(n) = -A022994(n) = A256958(n-38). G.f.: (-38 + 39*x)/(1 - x)^2. - _M. F. Hasler_, Apr 18 2015
%p A023480 := n -> n-38; # _M. F. Hasler_, Apr 18 2015
%t Range[0,60]-38 (* _M. F. Hasler_, Apr 18 2015 *)
%o (PARI) a(n)=n-38 \\ _M. F. Hasler_, Apr 18 2015
%Y Cf. A256958, A001057, A000027, A001477, A023443, ..., A023479, A023481, A023482, A022958, ..., A022996.
%K sign,easy
%O 0,1
%A _N. J. A. Sloane_.
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