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Search: id:A140962
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| A140962 |
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Negative values of the Inverse binomial transform of A045883. |
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+0
2
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| 0, -1, -1, -3, -1, -7, 3, -19, 23, -63, 107, -235, 447, -919, 1811, -3651, 7271, -14575, 29115, -58267, 116495, -233031, 466019, -932083, 1864119, -3728287, 7456523, -14913099, 29826143, -59652343, 119304627, -238609315, 477218567, -954437199
(list; graph; listen)
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OFFSET
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0,4
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COMMENT
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The inverse binomial transform of A045883 is 0,1,1,3,1,7,...
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FORMULA
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a(n+1)-a(n) = (-1)^(n+1)*A078008(n).
a(n+1)-a(n) = 2*(-1)^n*A001045(n-1), n>0.
a(n)=3a(n-2)-2a(n-3).
a(n)=-(1/9)-(2/3)*n+(1/9)*(-2)^n, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Aug 04 2008]
G.f.: -x(1+x)/((1+2x)(1-x)^2). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 11 2008
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CROSSREFS
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Sequence in context: A115873 A083239 A095868 this_sequence A013602 A086272 A104709
Adjacent sequences: A140959 A140960 A140961 this_sequence A140963 A140964 A140965
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KEYWORD
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sign
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Jul 27 2008
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EXTENSIONS
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Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 11 2008
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