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A139756 Binomial transform of A004526. 3
0, 0, 1, 4, 12, 32, 80, 192, 448, 1024, 2304, 5120, 11264, 24576, 53248, 114688, 245760, 524288, 1114112, 2359296, 4980736, 10485760, 22020096, 46137344, 96468992, 201326592, 419430400, 872415232, 1811939328, 3758096384 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

COMMENTS

Also: self-convolution of A131577. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 22 2008

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

FORMULA

O.g.f.: x^2/(2x-1)^2. a(n)=(n-1)*2^n/4 if n>0. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 22 2008

a(n)=A097067(n), n>0. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 03 2008]

MAPLE

with(finance):seq(add(futurevalue( 2, 1, n), k=0..n)/2, n=-2..27); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 20 2008

CROSSREFS

Sequence in context: A097392 A090634 A097067 * A001787 A085750 A118442

Adjacent sequences:  A139753 A139754 A139755 * A139757 A139758 A139759

KEYWORD

nonn,easy

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), May 19 2008

EXTENSIONS

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 22 2008

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.