%I A006155 M1945
%S A006155 1,2,9,61,551,6221,84285,1332255,24066691,489100297,11044268633,
%T A006155 274327080611,7433424980943,218208342366093,6898241919264181,
%U A006155 233651576126946103,8441657595745501019,324052733365292875025
%N A006155 Expansion of 1/(2-x-e^x).
%D A006155 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006155 Getu, S.; Shapiro, L. W.; Combinatorial view of the composition of functions. 
               Ars Combin. 10 (1980), 131-145.
%H A006155 INRIA Algorithms Project, <a href="http://algo.inria.fr/bin/encyclopedia?Search=ECSnb&argsearch=157">
               Encyclopedia of Combinatorial Structures 157</a>
%F A006155 E.g.f.: 1/(2-x-exp(x)).
%Y A006155 Cf. A032112.
%Y A006155 Sequence in context: A053983 A107883 A088182 this_sequence A121870 A146887 
               A113662
%Y A006155 Adjacent sequences: A006152 A006153 A006154 this_sequence A006156 A006157 
               A006158
%K A006155 nonn,easy
%O A006155 0,2
%A A006155 Simon Plouffe (simon.plouffe(AT)gmail.com)
%E A006155 More terms from Ralf Stephan, Mar 12 2004