%I A002063
%S A002063 9,36,144,576,2304,9216,36864,147456,589824,2359296,9437184,
%T A002063 37748736,150994944,603979776,2415919104,9663676416,38654705664,
%U A002063 154618822656,618475290624,2473901162496,9895604649984
%N A002063 9*4^n.
%H A002063 <a href="Sindx_Rea.html#recLCC">Index entries for sequences related to 
               linear recurrences with constant coefficients</a>
%H A002063 Milan Janjic, <a href="http://www.pmfbl.org/janjic/">Enumerative Formulas 
               for Some Functions on Finite Sets</a>
%H A002063 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               RecursiveSequences.html">Recursive Sequences</a>
%F A002063 a(n)=4*a(n-1), n>0 ; a(0)=9 . G.f.: 9/(1-4*x). [From Philippe DELEHAM 
               (kolotoko(AT)wanadoo.fr), Nov 23 2008]
%p A002063 with(finance):seq(futurevalue(9,3,n), n=0..20);# [From Zerinvary Lajos 
               (zerinvarylajos(AT)yahoo.com), Mar 25 2009]
%Y A002063 Essentially the same as A055841. First differences of A002001.
%Y A002063 Sequence in context: A103158 A023872 A034557 this_sequence A075674 A110752 
               A094973
%Y A002063 Adjacent sequences: A002060 A002061 A002062 this_sequence A002064 A002065 
               A002066
%K A002063 nonn
%O A002063 0,1
%A A002063 N. J. A. Sloane (njas(AT)research.att.com).