%I A024000
%S A024000 1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,
%T A024000 21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,
%U A024000 39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56
%V A024000 1,0,-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11,-12,-13,-14,-15,-16,-17,-18,-19,
               -20,
%W A024000 -21,-22,-23,-24,-25,-26,-27,-28,-29,-30,-31,-32,-33,-34,-35,-36,-37,-38,
%X A024000 -39,-40,-41,-42,-43,-44,-45,-46,-47,-48,-49,-50,-51,-52,-53,-54,-55,-56
%N A024000 1-n.
%H A024000 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               RecursiveSequences.html">Recursive Sequences</a>
%F A024000 E.g.f.: (1-x)*exp(x).
%F A024000 O.g.f.: (1-2x)/(1-x)^2. a(n+1)=A001489(n). -R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               May 28 2008
%Y A024000 a(n)=sum(A094816(n, k)*(-1)^k, k=0..n), n>=0(alternating row sums of 
               Poisson-Charlier coefficient matrix).
%Y A024000 Sequence in context: A138202 A056064 A114142 this_sequence A097141 A160356 
               A038608
%Y A024000 Adjacent sequences: A023997 A023998 A023999 this_sequence A024001 A024002 
               A024003
%K A024000 sign
%O A024000 0,4
%A A024000 N. J. A. Sloane (njas(AT)research.att.com).