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A300749 Number of connected squarefree bipartite graphs on n vertices. 2

%I

%S 1,1,1,2,3,7,12,30,64,177,457,1403,4327,15024,54730,219311,942908,

%T 4426513,22525015,124896794,752933593,4938212176,35190683416,

%U 272266028155,2284292635109

%N Number of connected squarefree bipartite graphs on n vertices.

%H CombOS - Combinatorial Object Server, <a href="http://combos.org/nauty">Generate graphs</a>

%H Brendan McKay, <a href="http://list.seqfan.eu/pipermail/seqfan/2018-March/018436.html">Inverse Euler transforms needed</a>, message on the SeqFan list, Mar 12 2018.

%F Inverse Euler transform of A138347.

%Y Cf. A138347.

%K nonn,more

%O 1,4

%A _Alois P. Heinz_, Mar 11 2018.

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Last modified October 3 16:22 EDT 2022. Contains 357237 sequences. (Running on oeis4.)