Search: id:A058915
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%I A058915
%S A058915 2,7,34,181,1266,14106,293756,12362198,1032671168,166176421788,
%T A058915 50672459139597,29105501987344357,31455795559882541775,
%U A058915 64032588337815572241795,246000022800939308314311897
%N A058915 Number of graphs with 3 distinct components.
%D A058915 F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 
               1973, page 48, (2.6.3).
%F A058915 G.f.: 1/6*(f(x)^3-3*f(x)*f(x^2)+2*f(x^3)), where f(x)=g(x)-1 and g(x) 
               is g.f. for connected graphs. Cf. A001349.
%Y A058915 Cf. A001349.
%Y A058915 Sequence in context: A144005 A143889 A023053 this_sequence A020054 A117399 
               A145345
%Y A058915 Adjacent sequences: A058912 A058913 A058914 this_sequence A058916 A058917 
               A058918
%K A058915 easy,nonn
%O A058915 6,1
%A A058915 Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 11 2001

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