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A132723 Binomial transform of A132429. 0
3, 4, 4, 0, -8, -16, -16, 0, 32, 64, 64, 0, -128, -256, -256, 0, 512, 1024, 1024, 0, -2048, -4096, -4096, 0, 8192, 16384, 16384, 0, -32768, -65536, -65536, 0, 131072, 262144, 262144, 0, -524288, -1048576, -1048576 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

FORMULA

a(n)=4a(n-1)-6a(n-2)+4a(n-3), n positive. For a(0)=3,a(1)=a(2)=4,a(3)=0.

Sequence is identical to its fourth differences.

O.g.f.: 1+2/(2*x^2-2*x+1). a(n)=2*a(n-1)-2*a(n-2) if n>2. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 02 2008

CROSSREFS

Sequence in context: A188729 A177935 A021748 * A057279 A054733 A204255

Adjacent sequences:  A132720 A132721 A132722 * A132724 A132725 A132726

KEYWORD

sign

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Nov 16 2007

EXTENSIONS

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 02 2008

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.