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Search: id:A142585
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A142585 Inverse binomial transform of A014217. +0
2
1, 0, 1, 0, -1, 5, -14, 35, -81, 180, -389, 825, -1726, 3575, -7349, 15020, -30561, 61965, -125294, 252795, -509161, 1024100, -2057549, 4130225, -8284926, 16609455, -33282989, 66669660, -133507081, 267285605, -535010414, 1070731475, -2142612801, 4287086100 (list; graph; listen)
OFFSET

0,6

FORMULA

a(n) = (-1)^(n+1)*A027974(n-4), n>4.

G.f.: (1+3x+2x^2+x^3)/((1+2x)(1+x-x^2)). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 22 2008

CROSSREFS

Sequence in context: A066767 A027974 A027983 this_sequence A097507 A052951 A048745

Adjacent sequences: A142582 A142583 A142584 this_sequence A142586 A142587 A142588

KEYWORD

sign

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Sep 21 2008

EXTENSIONS

Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 22 2008

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.


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