Search: id:A141531
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%I A141531
%S A141531 1,1,1,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536,
%T A141531 131072,262144,524288,1048576,2097152,4194304,8388608,16777216,33554432,
%U A141531 67108864,134217728,268435456,536870912,1073741824,2147483648
%V A141531 1,1,1,-2,4,-8,16,-32,64,-128,256,-512,1024,-2048,4096,-8192,16384,-32768,
               65536,
%W A141531 -131072,262144,-524288,1048576,-2097152,4194304,-8388608,16777216,-33554432,
               67108864,
%X A141531 -134217728,268435456,-536870912,1073741824,-2147483648
%N A141531 Inverse binomial transform of A001651.
%F A141531 a(n)=A123344(n+1), n>0.
%F A141531 a(n)= (-2)^n/4 = (-1)^n*A000079(n-2), n>1.
%F A141531 O.g.f.: (1+3x+3x^2)/(1+2x). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Aug 27 2008
%Y A141531 Sequence in context: A034008 A123344 A131577 this_sequence A166444 A084633 
               A122803
%Y A141531 Adjacent sequences: A141528 A141529 A141530 this_sequence A141532 A141533 
               A141534
%K A141531 sign
%O A141531 0,4
%A A141531 Paul Curtz (bpcrtz(AT)free.fr), Aug 12 2008
%E A141531 Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 
               28 2008

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