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A024000 1-n. +0
7
1, 0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -35, -36, -37, -38, -39, -40, -41, -42, -43, -44, -45, -46, -47, -48, -49, -50, -51, -52, -53, -54, -55, -56 (list; graph; listen)
OFFSET

0,4

LINKS

Tanya Khovanova, Recursive Sequences

FORMULA

E.g.f.: (1-x)*exp(x).

O.g.f.: (1-2x)/(1-x)^2. a(n+1)=A001489(n). -R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 28 2008

CROSSREFS

a(n)=sum(A094816(n, k)*(-1)^k, k=0..n), n>=0(alternating row sums of Poisson-Charlier coefficient matrix).

Sequence in context: A138202 A056064 A114142 this_sequence A097141 A160356 A038608

Adjacent sequences: A023997 A023998 A023999 this_sequence A024001 A024002 A024003

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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