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A005336 Number of bipartite blocks.
(Formerly M3178)

%I M3178

%S 1,3,355,297619,1120452771,15350524923547,738416821509929731,

%T 126430202628042630866787,78847417416749666369637926851

%N Number of bipartite blocks.

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%H F. Harary and R. W. Robinson, <a href="http://dx.doi.org/10.4153/CJM-1979-007-3">Labeled bipartite blocks</a>, Canad. J. Math., 31 (1979), 60-68.

%K nonn,more

%O 1,2

%A _N. J. A. Sloane_.

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Last modified November 19 22:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)