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A191939 Number of arrangements of pseudolines of order n. 0


%S 1,1,1,46,153528

%N Number of arrangements of pseudolines of order n.

%H J. Ferté, V. Pilaud and M. Pocchiola, <a href="https://arxiv.org/abs/1009.1575">On the number of simple arrangements of five double pseudolines</a>, arXiv:1009.1575 [cs.CG], 2010; Discrete Comput. Geom. 45 (2011), 279-302.

%K nonn,more

%O 0,4

%A _N. J. A. Sloane_, Jun 19 2011

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Last modified January 16 14:22 EST 2022. Contains 350376 sequences. (Running on oeis4.)