%I A103996
%S A103996 1,1,2,9,74,955,17744,448077,14751974,613569711,31452344252,
%T A103996 1947832408225,143356013568338,12366684481981635,1235842203066704648,
%U A103996 141628365906835323573,18449654196553852968254
%V A103996 1,-1,2,-9,74,-955,17744,-448077,14751974,-613569711,31452344252,-1947832408225,
%W A103996 143356013568338,-12366684481981635,1235842203066704648,-141628365906835323573,
%X A103996 18449654196553852968254
%N A103996 Recurrence: a(n) = -Sum[i=0..n-1, a(i)*C(n+1,i) ], a(0)=1.
%Y A103996 Sequence in context: A108995 A132843 A084873 this_sequence A015473 A029849 
               A080638
%Y A103996 Adjacent sequences: A103993 A103994 A103995 this_sequence A103997 A103998 
               A103999
%K A103996 sign
%O A103996 1,3
%A A103996 Ralf Stephan, Feb 24 2005