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A141531 Inverse binomial transform of A001651. 1
1, 1, 1, -2, 4, -8, 16, -32, 64, -128, 256, -512, 1024, -2048, 4096, -8192, 16384, -32768, 65536, -131072, 262144, -524288, 1048576, -2097152, 4194304, -8388608, 16777216, -33554432, 67108864, -134217728, 268435456, -536870912, 1073741824, -2147483648 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

FORMULA

a(n)=A123344(n+1), n>0.

a(n)= (-2)^n/4 = (-1)^n*A000079(n-2), n>1.

O.g.f.: (1+3x+3x^2)/(1+2x). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 27 2008

CROSSREFS

Sequence in context: A034008 A123344 * A166444 A084633 A122803 A000079

Adjacent sequences:  A141528 A141529 A141530 * A141532 A141533 A141534

KEYWORD

sign

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Aug 12 2008

EXTENSIONS

Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 28 2008

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Last modified February 13 12:01 EST 2012. Contains 205469 sequences.