Search: id:A058184
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%I A058184
%S A058184 0,0,1,0,1,2,4,6,7,6,1,10,28,52,77,92,79,14,128,362,675,1002,1201,1038,
%T A058184 200,1640,4681,8760,13039,15678,13636,2834,21007,60526,113681,169670,
%U A058184 204652,179108,39883,269012,782559,1475214,2207752,2671278
%V A058184 0,0,-1,0,1,2,4,6,7,6,1,-10,-28,-52,-77,-92,-79,-14,128,362,675,1002,1201,
               1038,200,
%W A058184 -1640,-4681,-8760,-13039,-15678,-13636,-2834,21007,60526,113681,169670,
               204652,179108,
%X A058184 39883,-269012,-782559,-1475214,-2207752,-2671278
%N A058184 "Real rabbits": a(n) Real(c(n) where complex c(n)=a(n)+ib(n) and c(0)=i, 
               c(1)=-i, c(n)=c(n-1)+ic(n-2).
%F A058184 a(n) =a(n-1)-A014291(n-2) =2a(n-1)-a(n-2)-a(n-4)
%F A058184 G.f.: (2*x^3-x^2)/(1-2*x+x^2+x^4). [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), 
               Sep 24 2008]
%p A058184 a:= n-> (Matrix([[0,-1,0,0]]). Matrix([[2,1,0,0], [ -1,0,1,0], [0,0,0,
               1], [ -1,0,0,0]])^n)[1,4]: seq (a (n), n=0..50); [From Alois P. Heinz 
               (heinz(AT)hs-heilbronn.de), Sep 24 2008]
%Y A058184 Cf. A014291.
%Y A058184 Sequence in context: A091476 A114431 A167689 this_sequence A087777 A030118 
               A023835
%Y A058184 Adjacent sequences: A058181 A058182 A058183 this_sequence A058185 A058186 
               A058187
%K A058184 sign,nice
%O A058184 0,6
%A A058184 Henry Bottomley (se16(AT)btinternet.com), Dec 04 2000

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