Search: id:A004100 Results 1-1 of 1 results found. %I A004100 M2878 %S A004100 0,1,0,3,10,355,6986,297619,15077658,1120452771,111765799882, %T A004100 15350524923547,2875055248515242,738416821509929731,260316039943139322858, %U A004100 126430202628042630866787,84814075550928212558332858,78847417416749666369637926851 %N A004100 Number of labeled nonseparable bipartite graphs on n nodes. %D A004100 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A004100 F. Harary and R. W. Robinson, Labeled bipartite blocks, Canad. J. Math., 31 (1979), 60-68. %D A004100 A. Nymeyer and R. W. Robinson, ``Tabulation of the Numbers of Labeled Bipartite Blocks and Related Classes of Bicolored Graphs,'' unpublished manuscript, 1982. %D A004100 R. W. Robinson, Numerical implementation of graph counting algorithms, AGRC Grant, Math. Dept., Univ. Newcastle, Australia, 1976. %H A004100 R. W. Robinson, Table of n, a(n) for n = 1..32 %Y A004100 Sequence in context: A067999 A156193 A119035 this_sequence A103156 A012865 A006273 %Y A004100 Adjacent sequences: A004097 A004098 A004099 this_sequence A004101 A004102 A004103 %K A004100 nonn,nice,easy %O A004100 1,4 %A A004100 N. J. A. Sloane (njas(AT)research.att.com). %E A004100 a(16) onwards added by N. J. A. Sloane (njas(AT)research.att.com), Oct 19 2006 from the Robinson reference Search completed in 0.001 seconds