%I A055142
%S A055142 1,0,2,8,36,224,1880,19872,251888,3712256,62286624,1171487360,
%T A055142 24402416192,557542291968,13861636770176,372514645389824,
%U A055142 10759590258589440,332386419622387712
%V A055142 1,0,-2,-8,-36,-224,-1880,-19872,-251888,-3712256,-62286624,
%W A055142 -1171487360,-24402416192,-557542291968,-13861636770176,
%X A055142 -372514645389824,-10759590258589440,-332386419622387712
%N A055142 Column 0 of triangle A055141.
%F A055142 E.g.f.: exp(x)*sqrt(1-2x).
%Y A055142 Cf. A001147.
%Y A055142 Sequence in context: A052582 A020021 A052618 this_sequence A046814 A007857 
               A047729
%Y A055142 Adjacent sequences: A055139 A055140 A055141 this_sequence A055143 A055144 
               A055145
%K A055142 sign
%O A055142 0,3
%A A055142 Christian G. Bower (bowerc(AT)usa.net), May 09 2000