Search: id:A058476
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%I A058476
%S A058476 0,0,1,2,21,224,3075,50364,958881,20786744,505233987,13603353928,
%T A058476 401819713273,12917450788956,448922610588491,16770152528046332,
%U A058476 670096317408222529,28517474585339343408,1287722135213121579203
%N A058476 Total number of multiple edges in all essentially parallel series-parallel 
               networks with n labeled edges, multiple edges allowed.
%D A058476 J. W. Moon, Some enumerative results on series-parallel networks, Annals 
               Discrete Math., 33 (1987), 199-226 (the sequence M_P(n)*P_pi).
%H A058476 <a href="Sindx_Mo.html#Moon87">Index entries for sequences mentioned 
               in Moon (1987)</a>
%F A058476 E.g.f. = (exp(-x)-1+x)*P'(x), where P(x) = e.g.f. for A000311.
%Y A058476 Sequence in context: A137287 A155872 A106412 this_sequence A099748 A023812 
               A062813
%Y A058476 Adjacent sequences: A058473 A058474 A058475 this_sequence A058477 A058478 
               A058479
%K A058476 nonn
%O A058476 0,4
%A A058476 N. J. A. Sloane (njas(AT)research.att.com), Dec 20 2000

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